{"id":726,"date":"2015-04-07T13:10:40","date_gmt":"2015-04-07T20:10:40","guid":{"rendered":"http:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=726"},"modified":"2022-05-16T09:35:49","modified_gmt":"2022-05-16T16:35:49","slug":"lycorma-delicatula-white-spotted-lanternfly","status":"publish","type":"post","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=726","title":{"rendered":"Lycorma delicatula White: Spotted Lanternfly"},"content":{"rendered":"
California Pest Rating for<\/strong><\/h5>\n
Lycorma delicatula<\/em><\/strong> White:\u00a0 Spotted Lanternfly<\/strong><\/h5>\n
Hemiptera: Fulgoridae<\/strong><\/h5>\n
Pest\u00a0Rating: A<\/strong><\/h5>\n
\n
PEST RATING PROFILE<\/strong><\/h5>\n
Initiating Event: <\/strong><\/h5>\n

On October 30, 2014 Duane Schnabel distributed information from the National Plant Board that Lycorma delicatula<\/em> has been found in four counties in Pennsylvania and may have been distributed to other states.\u00a0 A pest rating proposal is needed to determine future direction on this pest.<\/p>\n

\u00a0History & Status:<\/strong><\/h5>\n

Background:\u00a0 Lycorma delicatula<\/em> is a fulgorid hopper that is known to feed on at least 41 species of trees and herbs1.<\/sup>\u00a0 The spotted lanternfly has one generation per year and overwinters as eggs in an ootheca1<\/sup>.\u00a0 In Korea, eggs hatch in mid-May and nymphs begin sucking saps from young stems and leaves1<\/sup>.\u00a0 Nymphs do not fly and are particularly polyphagous, feeding on almost any plant they encounter.\u00a0 Their feeding produces large quantities of fluid, which covers stems and leaves1<\/sup>.\u00a0 Infestations can weaken plants and eventually kill them1<\/sup>.\u00a0 Adult spotted lanternfly can fly but tends to spread by walking.\u00a0 By September, many of the adults have moved to preferred hosts, if they are available1<\/sup>.\u00a0 The strongly preferred host for adult feeding is tree of heaven (Ailanthus altissima<\/em>) but they also prefer bee bee tree (Tetradium <\/em>(=Evodia<\/em>) daniellii)<\/em> and Amur cork tree (Phellodendron amurense<\/em>)1<\/sup>.\u00a0 The insect will also feed on a wide variety of other plants including grapes (Vitis <\/em>spp.) and stone fruit (Prunus<\/em> spp.).\u00a0 Oothecae are typically deposited on trees with a smooth surface structure1<\/sup>.\u00a0 The most likely pathway for long-distance spread of Lycorma delicatula<\/em> is the movement of oothecae on infested nursery stock or possibly other objects.<\/p>\n

Partial Host List<\/span>:\u00a0 Betulaceae:<\/strong> Betula platyphylla<\/em>1<\/sup> (Japanese white birch); Cornaceae:<\/strong> Cornus controversa<\/em>1<\/sup> (wedding cake tree), C. kousa<\/em>1<\/sup> (kousa dogwood), C. officinalis<\/em>1<\/sup> (Japanese cornel); Elaeagnaceae:<\/strong> Elaeagnus umbellata<\/em>1<\/sup> (Japanese silverberry); Juglandaceae: <\/strong>Juglans mandshurica<\/em>1<\/sup> (Manchurian walnut); Meliaceae:<\/strong> Cedrela fissilis<\/em>1<\/sup>, Toona sinensis<\/em>1<\/sup> (Chinese mahogany); Oleaceae:<\/strong> Syringa vulgaris<\/em>1<\/sup> (lilac); Pinaceae:<\/strong> Pinus densiflora<\/em>1<\/sup> (Japanese red pine); P. strobus<\/em>1<\/sup> (eastern white pine); Rosaceae:<\/strong> Prunus serrulata<\/em>1<\/sup> (Japanese cherry), P. yedoensis<\/em>1<\/sup> (yoshino cherry); Rutaceae<\/strong>: Phellodendron amurense<\/em>1<\/sup> (Amur cork tree), Tetradium daniellii<\/em>1<\/sup> (bee bee tree); Salicaceae:<\/strong> Populus alba<\/em>1<\/sup> (white poplar); Sapindaceae:<\/strong> Acer palmatum<\/em>1<\/sup> (Japanese maple), Acer saccharinum<\/em>1<\/sup> (silver maple); Simaroubaceae:<\/strong> Ailanthus altissima<\/em>1<\/sup> (tree of heaven), Picrasma quassioides<\/em>1<\/sup> (bitterwood); Ulmaceae:<\/strong> Zelkova serrata<\/em>1<\/sup> (keyaki); Vitaceae<\/strong>: Parthenocissus quinquefolia<\/em>1<\/sup> (Virginia creeper), Vitis amurensis<\/em>1<\/sup> (Amur grape), Vitis vinifera<\/em>1<\/sup> (grape vine).<\/p>\n

Worldwide Distribution<\/strong><\/span>: Lycorma delicatula<\/em> is native to the southern part of China and other subtropical regions of southeast Asia1<\/sup>.\u00a0 It was not known to be invasive until it spread to Korea in 2006 and to Pennsylvania in 2014.<\/p>\n

Official Control<\/strong><\/span>: Lycorma delicatula<\/em> is not known to be under official control in any states or nations.<\/p>\n

California Distribution<\/strong><\/span>:\u00a0 Lycorma delicatula<\/em> has not been found in California.<\/p>\n

California Interceptions<\/strong><\/span>:\u00a0 Lycorma delicatula<\/em> has not been intercepted in California.<\/p>\n

The risk Lycorma delicatula<\/em> (spotted lanternfly) would pose to California is evaluated below.<\/p>\n

Consequences of Introduction:\u00a0<\/strong><\/h5>\n

1) Climate\/Host Interaction<\/strong>: Host plants are commonly grown in California and spotted lanternfly is likely to establish wherever they are found. Lycorma delicatula<\/em> receives a High(3)<\/strong><\/span> in this category.<\/p>\n

Evaluate if the pest would have suitable hosts and climate to establish in California.\u00a0 Score:<\/p>\n

– Low (1)<\/strong> Not likely to establish in California; or likely to establish in very limited areas.
\n– Medium (2)<\/strong> may be able to establish in a larger but limited part of California.
\n– High (3)<\/strong> likely to establish a widespread distribution in California.<\/span><\/p>\n

\u00a02)\u00a0Known Pest Host Range<\/strong>: Lycorma delicatula<\/em> feeds on at least 41 species of plants in at least 14 families.\u00a0 These include multiple agriculturally important crops and common ornamentals in California.\u00a0 It receives a High(3)<\/strong><\/span> in this category.<\/p>\n

Evaluate the host range of the pest. Score:<\/p>\n

– Low (1)<\/strong> has a very limited host range.
\n– Medium (2)<\/strong> has a moderate host range.
\n– High (3)<\/strong> has a wide host range.<\/span><\/p>\n

3) Pest Dispersal Potential<\/strong>: Lycorma delicatula<\/em> has only one generation per year and tends to move by walking but oothecae may be dispersed long distances by the movement of infested nursery stock or other items.\u00a0 Spotted lanternfly receives a Medium(2)<\/strong> in this category.<\/p>\n

Evaluate the natural and artificial dispersal potential of the pest. Score:<\/p>\n

– Low (1)<\/strong> does not have high reproductive or dispersal potential.
\n– Medium (2)<\/strong> has either high reproductive or dispersal potential.<\/span>
\n– High (3)<\/strong> has both high reproduction and dispersal potential.<\/p>\n

\u00a04)\u00a0Economic Impact:<\/strong> Infestations of Lycorma delicatula<\/em> may lower crop yields and increase production costs in economically important crops such as grape, stone fruit, and nursery stock.\u00a0 Since it entered Korea, the insect has caused considerable damage in vineyards. \u00a0Although it is not yet under official control in any states or nations, the presence of this pest in agricultural commodities may cause trade disruptions due to its limited range in North America.\u00a0 Spotted lanternfly is not expected to change normal cultural practices, vector other organisms, or interfere with water supplies.\u00a0 Lycorma delicatula<\/em> receives a High(3)<\/strong><\/span> in this category.<\/p>\n

Evaluate the economic impact of the pest to California using the criteria below. Score:<\/p>\n

A. The pest could lower crop yield.<\/span>
\nB. The pest could lower crop value (includes increasing crop production costs).<\/span>
\nC. The pest could trigger the loss of markets (includes quarantines).<\/span>
\nD. The pest could negatively change normal cultural practices.
\nE. The pest can vector, or is vectored, by another pestiferous organism.
\nF. The organism is injurious or poisonous to agriculturally important animals.
\nG. The organism can interfere with the delivery or supply of water for agricultural uses.<\/p>\n

– Low (1)<\/strong> causes 0 or 1 of these impacts.
\n– Medium (2)<\/strong> causes 2 of these impacts.
\n– High (3)<\/strong> causes 3 or more of these impacts.<\/span><\/p>\n

5) Environmental Impact:<\/strong> Spotted lanternfly is not expected to lower biodiversity, disrupt natural communities or change ecosystem processes.\u00a0 It is not expected to directly affect endangered species or disrupt critical habitats.\u00a0 It may trigger new treatments in vineyards and stone fruit orchards and by residents who find infested plants unsightly.\u00a0 Spotted lanternfly may also significantly affect home\/urban gardening by feeding on grapes and trees.\u00a0 Lycorma delicatula<\/em> receives a High(3)<\/strong><\/span> in this category.<\/p>\n

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

A. The pest could have a significant environmental impact such as lowering biodiversity, disrupting natural communities, or changing ecosystem processes.
\nB. The pest could directly affect threatened or endangered species.
\nC. The pest could impact threatened or endangered species by disrupting critical habitats.
\nD. The pest could trigger additional official or private treatment programs.<\/span>
\nE. The pest significantly impacts cultural practices, home\/urban gardening or ornamental plantings.<\/span><\/p>\n

Score the pest for Environmental Impact. Score:<\/p>\n

– Low (1)<\/strong> causes none of the above to occur.
\n– Medium (2)<\/strong> causes one of the above to occur.
\n– High (3)<\/strong> causes two or more of the above to occur.<\/span><\/p>\n

Consequences of Introduction to California for Lycorma delicatula<\/em> (Spotted Lanternfly):\u00a0 High(14)<\/span><\/strong><\/h5>\n

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

–Low<\/strong> = 5-8 points
\n–Medium<\/strong> = 9-12 points
\n–High<\/strong> = 13-15 points<\/span><\/p>\n

6) Post Entry Distribution and Survey Information:<\/strong> Lycorma delicatula<\/em> has not been found in California and receives a Not established(0)<\/strong><\/span> in this category.<\/p>\n

Evaluate the known distribution in California. Only official records identified by a taxonomic expert and supported by voucher specimens deposited in natural history collections should be considered. Pest incursions that have been eradicated, are under eradication, or have been delimited with no further detections should not be included.<\/p>\n

–Not established (0)<\/strong> Pest never detected in California, or known only from incursions.<\/span>
\n–Low (-1)<\/strong> Pest has a localized distribution in California, or is established in one suitable climate\/host area (region).
\n–Medium (-2)<\/strong> Pest is widespread in California but not fully established in the endangered area, or pest established in two contiguous suitable climate\/host areas.
\n–High (-3)<\/strong> 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:<\/h5>\n

The final score is the consequences of introduction score minus the post entry distribution and survey information score: \u00a0High(14) <\/span><\/strong><\/p>\n

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

There have been no formal surveys for Lycorma delicatula<\/em> in California.\u00a0 It may already be present in some localities.<\/p>\n

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

Spotted lanternfly (Lycorma delicatula<\/em>) has never been found in California and is likely to have significant economic and environmental impacts.\u00a0 An A-rating is justified.<\/p>\n

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

1<\/sup>Kim, Jae Geun, Eun-Hyuk Lee, Yeo-Min Seo, and Na-Yeon Kim.\u00a0 Cyclic Behavior of Lycorma delicatula (Insecta: Hemiptera: Fulgoridae) on Host Plants.\u00a0 J Insect Behav (2011) 24: 423-435.\u00a0 http:\/\/ag.udel.edu\/delpha\/7969.pdf<\/a><\/p>\n

Responsible Party:<\/h5>\n

Jason Leathers, 1220 N Street, Sacramento, CA, 95814, (916) 654-1211, plant.health[@]cdfa.ca.gov.<\/p>\n

\n

Pest\u00a0Rating: A<\/strong><\/h3>\n
\n

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

California Pest Rating for Lycorma delicatula White:\u00a0 Spotted Lanternfly Hemiptera: Fulgoridae Pest\u00a0Rating: A PEST RATING PROFILE Initiating Event: On October 30, 2014 Duane Schnabel distributed information from the National Plant Board that Lycorma delicatula has been found in four counties in Pennsylvania and may have been distributed to other states.\u00a0 A pest rating proposal is … Continue reading Lycorma delicatula White: Spotted Lanternfly<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","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_feature_clip_id":0,"_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":[18,5],"tags":[130,186,52,132,131],"class_list":["post-726","post","type-post","status-publish","format-standard","hentry","category-hemiptera","category-entomology","tag-fulgoridae","tag-hemiptera","tag-insects-and-mites","tag-lycorma-delicatula","tag-spotted-lanternfly"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5l8vQ-bI","jetpack-related-posts":[{"id":1954,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1954","url_meta":{"origin":726,"position":0},"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":6429,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=6429","url_meta":{"origin":726,"position":1},"title":"Phorodon cannabis passerini: cannabis aphid hemiptera: aphididae","author":"Kyle Beucke","date":"September 16, 2019","format":false,"excerpt":"California Pest Rating Profile for Phorodon cannabis Passerini: cannabis aphid Hemiptera: Aphididae Pest Rating: C download pest rating profile *NOTE: You must be registered and logged in to post a comment. 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If you have registered and have not received the registration confirmation, please contact us at permits[@]cdfa.ca.gov. Posted by ka","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":7493,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=7493","url_meta":{"origin":726,"position":5},"title":"Coccus capparidis (Green): soft scale Hemiptera: Coccidae","author":"Kyle Beucke","date":"September 1, 2020","format":false,"excerpt":"California Pest Rating for Coccus capparidis (Green): soft scalePest Rating: A download pest rating *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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