{"id":5265,"date":"2018-04-24T13:53:50","date_gmt":"2018-04-24T20:53:50","guid":{"rendered":"http:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=5265"},"modified":"2018-06-12T09:46:47","modified_gmt":"2018-06-12T16:46:47","slug":"black-twig-borer-xylosandrus-compactus-eichhoff","status":"publish","type":"post","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=5265","title":{"rendered":"Black Twig Borer | Xylosandrus compactus (Eichhoff)"},"content":{"rendered":"
California Pest Rating for<\/strong><\/h5>\n
Black Twig Borer | Xylosandrus compactus<\/em> (Eichhoff)<\/h5>\n
Coleoptera: Curculionidae: Scolytinae<\/strong><\/h5>\n
Pest Rating: A<\/strong><\/h5>\n

 <\/p>\n

\n

\n

PEST RATING PROFILE<\/h5>\n
Initiating Event: <\/strong><\/h5>\n

Xylosandrus compactus <\/em>is currently Q-rated.\u00a0 A permanent pest rating proposal is required to support an official pest rating.<\/p>\n

History & Status: <\/strong><\/h5>\n

Background:<\/u><\/strong> Xylosandrus compactus<\/em> is a small (adult females are 1.4-1.7 mm long; males are flightless and smaller, 1-1.1 mm long) ambrosia beetle (Wood, 1982).\u00a0 As in other ambrosia beetles, adults and larvae feed on fungus that grows in galleries excavated by the adult beetle.\u00a0 Living twigs (less than 2 cm in diameter) of healthy trees and shrubs are attacked (Wood, 1982).\u00a0 Affected branches wilt and die; the symbiotic fungus may be the cause of much of this damage. Apparently, this damage does not usually result in the death of an adult tree, but death has been reported in seedlings and young trees.\u00a0 For example, seedlings of mahogany (Swietenia macrophylla<\/em>) in Peru and soursop (Annona muricata<\/em>) in Brazil were killed (Delgado and Couturier, 2010; Oliveira et al., 2008).\u00a0 Non-lethal damage by this beetle still causes economic losses, for instance, in coffee (Bittenbender and Smith, 1999; Burbano et al., 2012).\u00a0 Xylosandrus compactus<\/em> is reported to attack hundreds of species (in 62 families) of shrubs and trees.\u00a0 Hosts include crop and ornamental trees, for example, avocado, sycamore, magnolia, dogwood, coffee, and eucalyptus (Chong et al., 2009; Greco and Wright, 2015).\u00a0 In Hawaii, a variety of native trees are attacked by this species, including seedlings of Acacia koa<\/em> (Burbano et al., 2012).\u00a0 Native trees in Italy were attacked over an area of 13 hectares, and some trees were killed.\u00a0 Tree species affected include Quercus ilex<\/em> and Viburnum tinus<\/em> (Vannini et al., 2017).\u00a0 Adult female X. compactus<\/em> mate with males before leaving their developmental gallery, and they can also reproduce via arrhenotokous parthenogenesis (an unmated female lays unfertilized eggs that develop into males; the female mates with her male progeny and then deposits fertilized eggs, which develop into females).<\/p>\n

Worldwide Distribution<\/u><\/strong>:<\/u><\/strong>\u00a0\u00a0Xylosandrus compactus<\/em> is reported from tropical Africa, Europe, southeast Asia, New Zealand, tropical Pacific islands (including Micronesia), the Caribbean, South America (including Brazil, Guyana, and Peru), and the United States (Hawaii and the southeastern United States) (Wood, 2007).\u00a0 The species is native to Asia, and was presumably introduced to the other portions of its current distribution, including the United States (Burbano et al., 2012).<\/p>\n

Official Control:<\/u><\/strong>\u00a0\u00a0Xylosandrus compactus<\/em> is listed as a quarantine pest by Brazil, Israel, and the European Union (EPPO, 2017).<\/p>\n

California Distribution: <\/u><\/strong>\u00a0Xylosandrus compactus<\/em> is not known to occur in California (Bright and Stark, 1973; Symbiota Collections of Arthropods Network).<\/p>\n

California Interceptions:<\/u><\/strong>\u00a0\u00a0Xylosandrus compactus <\/em>has been intercepted at least six times in California on shipments of plants from Hawaii (PDR # 008573, 1238977, 1239464, 1335578, 1225854, and 053234).<\/p>\n

The risk Xylosandrus compactus <\/em>would pose to California is evaluated below.<\/p>\n

Consequences of Introduction:<\/strong><\/h5>\n

1) Climate\/Host Interaction:<\/strong> Xylosandrus compactus<\/em> has become established in many parts of the world, from Mediterranean Europe to tropical South America. This suggests that it has a wide climatic tolerance.\u00a0 The beetle feeds on hundreds of species of plants in 62 families.\u00a0 These facts suggest that compactus<\/em> could become established over a wide portion of California.\u00a0 Therefore, it receives a High (3)<\/strong> <\/span>in this category.<\/p>\n

\u2013 Low (1) Not likely to establish in California; or likely to establish in very limited areas.<\/p>\n

\u2013 Medium (2) may be able to establish in a larger but limited part of California.<\/p>\n

\u2013 High (3) likely to establish a widespread distribution in California.<\/strong><\/span><\/p>\n

2) Known Pest Host Range: <\/strong>Xylosandrus compactus<\/em> is known to feed on hundreds of species of plants in 62 families. Therefore, it receives a High (3)<\/span> <\/strong>in this category.<\/p>\n

\u2013 Low (1) has a very limited host range.<\/p>\n

\u2013 Medium (2) has a moderate host range.<\/p>\n

\u2013 High (3) has a wide host range.<\/strong><\/span><\/p>\n

3) Pest Dispersal Potential:<\/strong> Female Xylosandrus compactus<\/em> Sibling mating and parthenogenesis means that a single adult female emerging from its gallery can establish a new population.\u00a0 Therefore, it receives a High (3)<\/span><\/strong> in this category.<\/p>\n

\u2013 Low (1) does not have high reproductive or dispersal potential.<\/p>\n

\u2013 Medium (2) has either high reproductive or dispersal potential.<\/p>\n

\u2013 High (3) has both high reproduction and dispersal potential.<\/strong><\/span><\/p>\n

4) Economic Impact:<\/strong> Xylosandrus compactus<\/em> is considered an economically-significant pest.\u00a0 The species attacks hundreds of species of plants and poses a threat to economically-important trees, including avocado and coffee, both of which are currently grown in California.\u00a0 Damage to these trees could lower crop yield and increase production costs.\u00a0 The beetle can kill tree seedlings, so poses a problem for tree nurseries and the establishment of trees in forests.\u00a0 In addition, like all ambrosia beetles, compactus<\/em> carries fungi that may be pathogenic. If established in California, this beetle could develop an association with other species of pathogenic fungi already present in the state.\u00a0 Therefore, it receives a High (3)<\/span><\/strong> in this category.<\/p>\n

Economic Impact:\u00a0 A, B, E<\/span><\/strong><\/p>\n

A. The pest could lower crop yield.<\/strong><\/span><\/p>\n

B. The pest could lower crop value (includes increasing crop production costs).<\/strong><\/span><\/p>\n

C. The pest could trigger the loss of markets (includes quarantines).<\/p>\n

D. The pest could negatively change normal cultural practices.<\/p>\n

E. The pest can vector, or is vectored, by another pestiferous organism.<\/strong><\/span><\/p>\n

F. The organism is injurious or poisonous to agriculturally important animals.<\/p>\n

G. The organism can interfere with the delivery or supply of water for agricultural uses.<\/p>\n

Economic Impact Score: 3<\/span><\/strong><\/p>\n

\u2013 Low (1) causes 0 or 1 of these impacts.<\/p>\n

\u2013 Medium (2) causes 2 of these impacts.<\/p>\n

\u2013 High (3) causes 3 or more of these impacts.<\/strong><\/span><\/p>\n

5) Environmental Impact:<\/strong> Xylosandrus compactus<\/em> attacks a diversity of plants and would be expected to damage numerous species of plants in California if it became established here. The fact that it is known to attack such a wide variety of plants means it is likely that some endangered plants could also be at risk.\u00a0 This risk is demonstrated by the fact that this beetle attacked native trees in Italy, including species of Quercus<\/em> and Viburnum<\/em>, genera which include native California species.\u00a0 This beetle attacks ornamental trees, causing dieback of branches (Hayato, 2007).\u00a0 Therefore, it receives a High (3)<\/span> <\/strong>in this category.<\/p>\n

Evaluate the environmental impact of the pest on California using the criteria below.<\/p>\n

Environmental Impact: \u00a0A, B, E<\/span><\/strong><\/p>\n

A. The pest could have a significant environmental impact such as lowering biodiversity, disrupting natural communities, or changing ecosystem processes.<\/strong><\/span><\/p>\n

\u00a0B.\u00a0<\/strong>The pest could directly affect threatened or endangered species.<\/strong><\/span><\/p>\n

C. The pest could impact threatened or endangered species by disrupting critical habitats.<\/p>\n

D. The pest could trigger additional official or private treatment programs.<\/p>\n

E. The pest significantly impacts cultural practices, home\/urban gardening or ornamental plantings.<\/strong><\/span><\/p>\n

Environmental Impact Score: 3<\/span><\/strong><\/p>\n

\u2013 Low (1) causes none of the above to occur.<\/p>\n

\u2013 Medium (2) causes one of the above to occur.<\/p>\n

\u2013 High (3) causes two or more of the above to occur.<\/strong><\/span><\/p>\n

Consequences of Introduction to California for Xylosandrus compactus<\/em>: High (15)<\/span><\/strong><\/h5>\n

Add up the total score and include it here.<\/p>\n

\u2013Low = 5-8 points<\/p>\n

\u2013Medium = 9-12 points<\/p>\n

\u2013High = 13-15 points<\/strong><\/span><\/p>\n

6)<\/strong> Post Entry Distribution and Survey Information:<\/strong> Xylosandrus compactus<\/em> is not known to occur in California.\u00a0 It receives a Not established (0)<\/span> <\/strong>in this category.<\/p>\n

\u2013Not established (0) Pest never detected in California, or known only from incursions.<\/strong><\/span><\/p>\n

\u2013Low (-1) Pest has a localized distribution in California, or is established in one suitable climate\/host area (region).<\/p>\n

\u2013Medium (-2) Pest is widespread in California but not fully established in the endangered area, or pest established in two contiguous suitable climate\/host areas.<\/p>\n

\u2013High (-3) Pest has fully established in the endangered area, or pest is reported in more than two contiguous or non-contiguous suitable climate\/host areas.<\/p>\n

Final Score:<\/strong><\/h5>\n

7) The final score is<\/strong> the consequences of introduction score minus the post entry distribution and survey information score: High (15)<\/span><\/strong><\/p>\n

Uncertainty:<\/strong><\/h5>\n

There is little uncertainty regarding the potential for Xylosandrus compactus<\/em> to become established in California.\u00a0 There also seems to be little uncertainty regarding the potential of this species to become a pest in this state, because it has done so in other areas to which it was introduced and it attacks such a wide variety of plants.<\/p>\n

Conclusion and Rating Justification:<\/strong><\/h5>\n

Xylosandrus compactus<\/em> is a highly polyphagous pest that has demonstrated an ability to become established in many areas worldwide and impact crop, ornamental, and native plants.\u00a0 The species is not known to be present in California, and its potential introduction to this state poses a risk of economic and environmental damage.\u00a0 For these reasons, an \u201cA<\/strong>\u201d rating is justified.<\/p>\n

\n
References: <\/strong><\/h5>\n

Bittenbender, H. C. and V. E. Smith. 1999. Growing coffee in Hawaii. College of tropical agriculture and human resources. University of Hawaii at Manoa, Honolulu, HI.\u00a0 40 pp.<\/p>\n

Bright Jr., D.E. and R.W. Stark.\u00a0 1973.\u00a0 The Bark and Ambrosia Beetles of California.\u00a0 University of California Press.\u00a0 169 pp.<\/p>\n

Burbano, E.G., Wright, M.G., Gillette, N.E., Mori, S., Dudley, N., Jones, T., and M. Kaufmann.\u00a0 2012.\u00a0 Efficacy of traps, lures, and repellents for Xylosandrus compactus<\/em> (Coleoptera: Curculionidae) and other ambrosia beetles on Coffea arabica<\/em> plantations and Acacia koa<\/em> nurseries in Hawaii.\u00a0 Environmental Entomology.\u00a0 41(1): 133-140.<\/p>\n

Chong, J.-H., Reid, L., and M. Williamson.\u00a0 2009.\u00a0 Distribution, host plants, and damage of the black twig borer, Xylosandrus compactus<\/em> (Eichhoff), in South Carolina.\u00a0 Journal of Agricultural and Urban Entomology.\u00a0 26(4): 199-208.<\/p>\n

Delgado, C. and G. Couturier.\u00a0 2010.\u00a0 Xylosandrus compactus<\/em> (Coleoptera: Curculionidae\u201d Scolytinae), a new pest of Swietenia macrophylla<\/em> in the Peruvian Amazon.\u00a0 Boletin de la Sociedad Entomol\u1f79gica Aragonesa.\u00a0 47: 441-443.<\/p>\n

EPPO.\u00a0 2017.\u00a0 EPPO Global Database.\u00a0 Accessed October 12, 2017. https:\/\/gd.eppo.int<\/a><\/p>\n

Greco, E.B. and M.G. Wright.\u00a0 2015.\u00a0 Ecology, biology, and management of Xylosandrus compactus<\/em> (Coleoptera: Curculionidae: Scolytinae) with emphasis on coffee in Hawaii.\u00a0 Journal of Integrated Pest Management.\u00a0 6(1): 1-8.<\/p>\n

Hayato, M.\u00a0 2007.\u00a0 Note on the dieback of Cornus \ufb02orida<\/em> caused by Xylosandrus compactus<\/em>.\u00a0 Bulletin of the Department of Forest Microbiology, Forestry and Forest Products Research Institute.\u00a0 6(1): 59-63.<\/p>\n

Oliveira, C.M., Flechtmann, C.A.H., and M.R. Frizzas.\u00a0 2008.\u00a0 First record of Xylosandrus compactus<\/em> (Eichhoff) (Coleoptera: Curculionidae: Scolytinae) on soursop, Annona muricata<\/em> L. (Annonaceae) in Brazil, with a list of host plants.\u00a0 The Coleopterists Bulletin.\u00a0 62(1): 45-48.<\/p>\n

Symbiota Collections of Arthropods Network.\u00a0 Accessed February 15, 2018. http:\/\/scan1.acis.ufl.edu<\/a><\/p>\n

Vannini, A., Contarini, M., Faccoli, M., Della Valle, M., Rodriguez, C.M., Mazzetto, T., Guarneri, D., Vettraino, A.M., and S. Speranza.\u00a0 2017.\u00a0 First report of the ambrosia beetle Xylosandrus compactus<\/em> and associated fungi in the Mediterranean maquis in Italy, and new host\u2013pest<\/p>\n

Associations.\u00a0 EPPO Bulletin.\u00a0 0(0): 1-4.<\/p>\n

Wood, S.L.\u00a0 1982.\u00a0 The bark and ambrosia beetles of North and Central America (Coleoptera: Scolytidae), a taxonomic monograph.\u00a0 Brigham Young University.\u00a0 1359 pp.<\/p>\n

Wood, S.L.\u00a0 2007.\u00a0 Bark and ambrosia beetles of South America.\u00a0 Brigham Young University.\u00a0 900 pp.<\/p>\n

\n
Author:<\/strong><\/h5>\n

Kyle Beucke, 1220 N Street, Room 221, Sacramento, CA, 95814, 916-403-6741,\u00a0plant.health[@]cdfa.ca.gov.<\/p>\n

Responsible Party:<\/strong><\/h5>\n

Jason Leathers, 2800 Gateway Oaks, Sacramento CA 95833, (916) 654-1211, plant.health[@]cdfa.ca.gov<\/p>\n

\n
Comment Period:* CLOSED<\/span><\/h5>\n

4\/24\/18 \u2013 6\/8\/18<\/p>\n

\n
*NOTE:<\/span><\/h5>\n

You must be registered and logged in to post a comment. \u00a0If you have registered and have not received the registration confirmation, please contact us at\u00a0plant.health[@]cdfa.ca.gov.<\/p>\n

\n
Comment Format:<\/h5>\n

\u2666 \u00a0Comments should refer to the appropriate California Pest Rating Proposal Form subsection(s)\u00a0being commented on, as shown below.<\/p>\n

Example Comment:
\n<\/strong>Consequences of Introduction: \u00a01. Climate\/Host Interaction:\u00a0[Your comment that relates to \u201cClimate\/Host Interaction\u201d here.<\/em>]<\/p>\n

\u2666 \u00a0Posted comments will not be able to be viewed immediately.<\/p>\n

\u2666 \u00a0Comments may not be posted if they:<\/p>\n

Contain inappropriate language which is not germane to\u00a0the pest rating proposal;<\/p>\n

Contains defamatory, false, inaccurate, abusive, obscene, pornographic,\u00a0sexually oriented, threatening, racially offensive, discriminatory or illegal\u00a0material;<\/p>\n

Violates agency regulations prohibiting sexual harassment or other forms\u00a0of discrimination;<\/p>\n

Violates agency regulations prohibiting workplace violence, including threats.<\/p>\n

\u2666 \u00a0Comments may be edited prior to posting to ensure they are entirely germane.<\/p>\n

\u2666 \u00a0Posted comments shall be those which have been approved in content and posted to the\u00a0website to be viewed, not just submitted.<\/p>\n

\n

Pest Rating: A<\/strong><\/h3>\n
\n

Posted by ls\u00a0<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

California Pest Rating for Black Twig Borer | Xylosandrus compactus (Eichhoff) Coleoptera: Curculionidae: Scolytinae Pest Rating: A   PEST RATING PROFILE Initiating Event: Xylosandrus compactus is currently Q-rated.\u00a0 A permanent pest rating proposal is required to support an official pest rating. History & Status: Background: Xylosandrus compactus is a small (adult females are 1.4-1.7 mm … Continue reading Black Twig Borer | Xylosandrus compactus (Eichhoff)<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":325,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[669,15,5],"tags":[],"class_list":["post-5265","post","type-post","status-publish","format-standard","hentry","category-a-rated","category-coleoptera","category-entomology"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5l8vQ-1mV","jetpack-related-posts":[{"id":5263,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=5263","url_meta":{"origin":5265,"position":0},"title":"Black Timber Bark Beetle | Xylosandrus germanus (Blandford)","author":"Kyle Beucke","date":"April 24, 2018","format":false,"excerpt":"California Pest Rating for Black Timber Bark Beetle | Xylosandrus germanus (Blandford) Coleoptera: Curculionidae: Scolytinae Pest Rating: A \u00a0 \u00a0 PEST RATING PROFILE Initiating Event: Xylosandrus germanus is currently Q-rated.\u00a0 A permanent pest rating proposal is required to support an official pest rating. History & Status: Background: Xylosandrus germanus is\u2026","rel":"","context":"In "A-Rated"","block_context":{"text":"A-Rated","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=669"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5261,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=5261","url_meta":{"origin":5265,"position":1},"title":"Granulate Ambrosia Beetle | Xylosandrus crassiusculus Motschulsky","author":"Kyle Beucke","date":"April 24, 2018","format":false,"excerpt":"California Pest Rating for Granulate Ambrosia Beetle\u00a0 |\u00a0\u00a0Xylosandrus crassiusculus Motschulsky Coleoptera: Curculionidae: Scolytinae Pest Rating: A \u00a0 PEST RATING PROFILE Initiating Event: Xylosandrus crassiusculus is currently Q-rated.\u00a0 A permanent pest rating proposal is required to support an official pest rating. History & Status: Background:\u00a0\u00a0Xylosandrus crassiusculus is a moderate-sized (adult females\u2026","rel":"","context":"In "A-Rated"","block_context":{"text":"A-Rated","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=669"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4396,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=4396","url_meta":{"origin":5265,"position":2},"title":"Ambrosia Beetle | Xylosandrus amputatus (Blandford)","author":"Jason Leathers","date":"January 11, 2018","format":false,"excerpt":"California Pest Rating for Ambrosia Beetle |\u00a0\u00a0Xylosandrus amputatus (Blandford) Coleoptera: Curculionidae Pest Rating: A \u00a0 PEST RATING PROFILE Initiating Event: The United States Department of Agriculture\u2019s Plant Epidemiology and Risk Analysis Lab has proposed changing the status of the ambrosia beetle Xylosandrus amputatus from actionable to nonactionable1.\u00a0 A pest rating\u2026","rel":"","context":"In "Coleoptera"","block_context":{"text":"Coleoptera","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=15"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1954,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1954","url_meta":{"origin":5265,"position":3},"title":"Insects, Mites & Earthworms","author":"Admin","date":"May 13, 2016","format":false,"excerpt":"Insects and mites are related in that their skeletons are on the outside (Phyllum: Arthropoda), but differ in that adult insects have six legs and adult mites have eight.\u00a0 Both groups can be beneficial, neutral or destructive to their environment.\u00a0 Like nematodes, they can cause yearly losses in the billions\u2026","rel":"","context":"In "Ratings"","block_context":{"text":"Ratings","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=333"},"img":{"alt_text":"Insects and Mites Banner","src":"https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/insects-and-mites-featured-image.jpg?fit=1038%2C588&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/insects-and-mites-featured-image.jpg?fit=1038%2C588&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/insects-and-mites-featured-image.jpg?fit=1038%2C588&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/insects-and-mites-featured-image.jpg?fit=1038%2C588&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":640,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=640","url_meta":{"origin":5265,"position":4},"title":"Euwallacea sp. nr. fornicatus: Polyphagous Shot Hole Borer (PSHB)","author":"Jason Leathers","date":"March 24, 2015","format":false,"excerpt":"California Pest Rating for Euwallacea sp. nr. fornicatus: Polyphagous Shot Hole Borer (PSHB) Coleoptera: Curculionidae Pest\u00a0Rating: B PEST RATING PROFILE Initiating Event: In 2003 ambrosia beetles collected at the Whittier Narrows nature center in Los Angeles County were identified as Euwallacea fornicatus, tea shot hole borer, a new state record.\u2026","rel":"","context":"In "Coleoptera"","block_context":{"text":"Coleoptera","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=15"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8208,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=8208","url_meta":{"origin":5265,"position":5},"title":"Cyclorhipidion distinguendum (Eggers): an ambrosia beetle","author":"Kyle Beucke","date":"March 16, 2021","format":false,"excerpt":"California Pest Rating Profile for Cyclorhipidion distinguendum (Eggers): an ambrosia beetlePest Rating: C download pest rating profile *NOTE You must be registered and logged in to post a comment. If you have registered and have not received the registration confirmation, please contact us at permits[@]cdfa.ca.gov. 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