{"id":1698,"date":"2016-03-09T13:56:13","date_gmt":"2016-03-09T21:56:13","guid":{"rendered":"http:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1698"},"modified":"2022-05-16T09:56:27","modified_gmt":"2022-05-16T16:56:27","slug":"camponotus-modoc-wheeler-modoc-carpenter-ant","status":"publish","type":"post","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1698","title":{"rendered":"Camponotus modoc Wheeler: Modoc Carpenter Ant"},"content":{"rendered":"
California Pest Rating for<\/strong><\/h5>\n
Camponotus modoc<\/em><\/strong> Wheeler: Modoc Carpenter Ant<\/strong><\/h5>\n
Hymenoptera: Formicidae<\/strong><\/h5>\n
Pest Rating: \u00a0C<\/strong><\/h5>\n
\n
PEST RATING PROFILE<\/strong><\/h5>\n
Initiating Event: <\/strong><\/h5>\n

At least one ant hobbyist is selling queen ants of Camponotus modoc<\/em> in California.1<\/sup>\u00a0 A pest rating proposal is required to determine future direction on this ant.<\/p>\n

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

Background<\/u>:<\/strong>\u00a0 Camponotus modoc<\/em> is a carpenter ant that inhabits montane forests.2,3<\/sup>\u00a0 It is a generalist forager on dead and living insects, nectar, fruit juices, and honeydew2<\/sup>.\u00a0 It nests by excavating galleries in wood such as trees, wood piles, and landscaping materials2<\/sup>.\u00a0 Colonies may be transported long distances when infested wood is moved.<\/p>\n

Worldwide Distribution<\/u>:<\/strong> Camponotus modoc<\/em> is native to the western United States and Canada3<\/sup>.\u00a0 It is not known to have invaded any other states or nations.<\/p>\n

Official Control<\/u>:<\/strong> Camponotus modoc<\/em> is not known to be under official control in any other states or nations.<\/p>\n

California Distribution<\/u>:\u00a0<\/strong> Camponotus modoc<\/em> is native to California and commonly found in montane forests.<\/p>\n

California Interceptions<\/u>:<\/strong>\u00a0 Camponotus modoc<\/em> was intercepted once by CDFA\u2019s border stations in pine firewood from Nevada.<\/p>\n

The risk Camponotus modoc<\/em> (Modoc Carpenter Ant) would pose to California is evaluated below.<\/p>\n

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

1) Climate\/Host Interaction<\/span>:<\/strong> Camponotus modoc<\/em> is native to and widespread in California and is not likely to establish in parts of the state where it does not already occur. It receives a Low (1)<\/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.<\/span><\/p>\n

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

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

2) Known Pest Host Range<\/span>:<\/strong> Camponotus modoc<\/em> is a generalist forager and is considered a destructive pest when it excavates galleries in wooden structures.\u00a0 It receives a Medium (2)<\/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.<\/p>\n

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

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

3) Pest Dispersal Potential<\/span>:<\/strong> Ants typically have high reproductive rates.\u00a0 Camponotus modoc<\/em> has only been intercepted by CDFA once.\u00a0 It receives a Medium (2)<\/strong> <\/span>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.<\/p>\n

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

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

4) Economic Impact<\/span>:<\/strong> Camponotus modoc<\/em> is already widespread and is not known to have lowered any crop yields or reduced crop values.\u00a0 Its presence has not disrupted any markets.\u00a0 It has not changed cultural practices or vectored other organisms.\u00a0 It is not known to have injured any animals or interfered with any water supplies.\u00a0 It receives a Low (1)<\/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.<\/p>\n

B. The pest could lower crop value (includes increasing crop production costs).<\/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.<\/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

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

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

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

5) Environmental Impact<\/span>:<\/strong> Camponotus modoc<\/em> is native to and widespread in California and it has not been found to lower biodiversity, disrupt natural communities, or change ecosystem processes.\u00a0 It has not affected any threatened or endangered species or disrupted critical habitats.\u00a0 The ant does trigger additional treatment programs when it infests wooden structures2<\/sup>.\u00a0 Camponotus modoc<\/em> is not known to have impacted cultural practices, home\/urban gardening, or ornamental plantings.\u00a0 It receives a Medium (2)<\/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.<\/p>\n

B. The pest could directly affect threatened or endangered species.<\/p>\n

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

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

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

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

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

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

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

Consequences of Introduction to California for Camponotus modoc<\/em> (Modoc Carpenter Ant):<\/strong>\u00a0 Low (8)<\/strong><\/span><\/h5>\n

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

–Low<\/strong> = 5-8 points<\/span><\/p>\n

–Medium<\/strong> = 9-12 points<\/p>\n

–High<\/strong> = 13-15 points<\/p>\n

6) Post Entry Distribution and Survey Information<\/span>:<\/strong> Camponotus modoc<\/em> is considered to be widespread and common in California. It receives a High (-3)<\/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.<\/p>\n

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

Final Score:<\/h5>\n

The final score is<\/strong> the consequences of introduction score minus the post entry distribution and survey information score: Low (5) <\/strong><\/span><\/p>\n

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

There is low uncertainty with this ant.<\/p>\n

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

Camponotus modoc<\/em> is a native ant that is widespread in California and is not reported to have had any negative economic impacts.\u00a0 It may have limited environmental impacts by triggering new chemical treatments when it infests wooden structures.\u00a0 No significant impacts are expected from hobbyists trading colonies of this ant within the state, provided that they adequately protect against the escape of colonies or queen ants into urban and rural residential environments.<\/p>\n

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

1<\/sup> The AntsCanada Global Ant Nursery Project.\u00a0 http:\/\/www.antscanada.com\/queen-ants-for-sale\/<\/a><\/p>\n

2<\/sup> UC IPM: How to Manage Pests of Homes, Structures, People, and Pets: Carpenter Ants:\u00a0 http:\/\/www.ipm.ucdavis.edu\/PMG\/PESTNOTES\/pn7416.html<\/a><\/p>\n

3<\/sup> AntWiki: Camponotus modoc<\/em>\u00a0 http:\/\/www.antwiki.org\/wiki\/Camponotus_modoc<\/a><\/p>\n

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

Jason Leathers, 1220 N Street, Sacramento, CA, 95814, (916) 654-1211, plant.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<\/span>:\u00a0<\/strong><\/h6>\n

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: \u00a0C<\/strong><\/h3>\n
\n

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

California Pest Rating for Camponotus modoc Wheeler: Modoc Carpenter Ant Hymenoptera: Formicidae Pest Rating: \u00a0C PEST RATING PROFILE Initiating Event: At least one ant hobbyist is selling queen ants of Camponotus modoc in California.1\u00a0 A pest rating proposal is required to determine future direction on this ant. History & Status: Background:\u00a0 Camponotus modoc is a … Continue reading Camponotus modoc Wheeler: Modoc Carpenter Ant<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_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}},"categories":[136,5],"tags":[292,293,52,291],"class_list":["post-1698","post","type-post","status-publish","format-standard","hentry","category-hymenoptera","category-entomology","tag-camponotus-modoc","tag-hymenoptera-formicidae","tag-insects-and-mites","tag-modoc-carpenter-ant"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5l8vQ-ro","jetpack-related-posts":[{"id":3203,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=3203","url_meta":{"origin":1698,"position":0},"title":"Camponotus floridanus (Buckley) – Florida Carpenter Ant","author":"Raj Randhawa","date":"January 11, 2017","format":false,"excerpt":"California Pest Rating for Camponotus floridanus (Buckley) - Florida Carpenter Ant Hymenoptera:\u00a0 Formicidae Pest Rating: A PEST RATING PROFILE Initiating Event: Camponotus floridanus is intercepted by CDFA and presently has a temporary rating of \u201cQ\u201d. 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Recently, multiple live ants of\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":1954,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1954","url_meta":{"origin":1698,"position":2},"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":3529,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=3529","url_meta":{"origin":1698,"position":3},"title":"Flower Ant | Monomorium floricola (Jerdon)","author":"Jason Leathers","date":"March 24, 2017","format":false,"excerpt":"California Pest Rating for Monomorium floricola (Jerdon): Flower Ant Hymenoptera: Formicidae Pest Rating: A PEST RATING PROFILE \u00a0Initiating Event: On February 21, 2017 Dr. Kevin Williams identified ants collected during inspections of beehives recently shipped into California from Florida as Q-rated Monomorium floricola.\u00a0 A pest rating proposal is required to\u2026","rel":"","context":"In "Hymenoptera"","block_context":{"text":"Hymenoptera","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=136"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":730,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=730","url_meta":{"origin":1698,"position":4},"title":"Ochetellus glaber (Mayr): An Ant","author":"Jason Leathers","date":"April 7, 2015","format":false,"excerpt":"California Pest Rating for Ochetellus glaber (Mayr): An Ant Hymenoptera: Formicidae Pest\u00a0Rating: \u00a0A PEST RATING PROFILE Initiating Event: Ochetellus glaber is frequently intercepted by CDFA and presently has a temporary rating of \u201cQ\u201d.\u00a0 A pest rating proposal is required to establish a permanent pest rating. 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