Dactylotrypes longicollis

Dactylotrypes longicollis can be distinguished from native North American bark beetles by its exotic origin and association with the genus Dactylotrypes, which is not native to the Americas. The specific epithet "longicollis" refers to an elongated pronotum or neck region. Accurate identification requires examination of morphological characters typical of the genus, including antennal club structure and pronotal shape.

Associated with bark of woody plants. In its native range on the Canary Islands, it inhabits forested and woodland areas. In California, it has been found in urban and natural environments where suitable host trees occur.

Native to the Canary Islands (Europe). Introduced and established in California, USA. GBIF records indicate presence in Africa, Europe, and North America, with specific records from California. Distribution records from Belgium are flagged as doubtful and Switzerland as excluded.

As a bark beetle, Dactylotrypes longicollis likely functions as a primary or secondary colonizer of woody plant material. Its ecological impacts in North America are not well documented, but exotic bark beetles can potentially affect native forest ecosystems through competition with native species or transmission of fungal pathogens.

Documented as an exotic species new to California and North America, representing a potential biosecurity concern. The 2012 detection in California prompted documentation to track its establishment and potential spread. No specific economic impacts have been reported, but monitoring of introduced bark beetles is standard practice in forest pest management.

• Native North American ScolytinaeDactylotrypes longicollis is exotic to North America and belongs to a genus not native to the continent, distinguishing it from indigenous bark beetle fauna. Identification to genus level is required to confirm its exotic status.
• Other Dactylotrypes speciesWithin the genus, D. longicollis is distinguished by specific morphological characters including the elongated pronotum referenced in its specific epithet. The genus Dactylotrypes contains multiple species primarily distributed in the Old World.

• bark beetle
• Scolytinae
• exotic species
• invasive species
• Canary Islands
• California
• forest pest
• Curculionidae
• Coleoptera
• wood-boring beetle
• established non-native

• BugGuide
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• Meloidae Holdings | Entomology Research Museum
• The Pan-Pacific Entomologist 88(2)—Penrose Memorial issue | Beetles In The Bush
• Scathophagidae | Beetles In The Bush