ISSN 1911-2173

Ips confusus (LeConte, 1876)

Ips bark beetles of the World > Checklist> Scientific Name Ips confusus (LeConte, 1876) Synonyms Common names: piñon ips (English) Diagnostic notes -Has five spines on the elytral declivity, body length less than 4.5 mm, and frons densely tuberculate, without a median fovea, first declivital spine is closer to the second declivital spine than to the suture, third declivital spine obtuse or rounded.-Males with frons central tubercle present, absent in […]

Ips chinensis

Ips bark beetles of the World > Checklist> Scientific Name Ips chinensis Kurentsov and Kononov, 1966 Diagnostic notes -Differs from similarly 3-spined sister species I. acuminatus by the swollen ridge joining spines 2 and 3 (shared tumescence) (Knížek and Cognato, 2017).-Distinguished from the sympatric species I. sexdentatus by having only three elytral declivital spines per side. Morphological Summary femalesBody. 2.2-3.9(-4.2) mm long, 2.4-2.6 times […]

Ips cembrae

Ips bark beetles of the World > Checklist> Scientific Name Ips cembrae (Heer, 1836) Synonyms Ips engadinensis Fuchs, 1913 Ips fallax Eggers, 1915 Ips shinanoensis Yano, 1924 Common names: large larch bark beetle (English), Grosser Lärchenborkenkäfer (German), lerkebarkbille (Norwegian) Diagnostic notes -Has four spines on the elytral declivity and is similar to I. typographus.-Distinguished from I. typographus by the shiny elytral declivity and presence of interstrial […]

Ips calligraphus

Ips bark beetles of the World > Checklist> Scientific Name Ips calligraphus (Germar, 1824) Synonyms Bostrichus exesus Say, 1826 Bostrichus chloroticus Dejean, 1837 Bostrichus conformis Dejean, 1837 Tomicus praemorsus Eichhoff, 1868 Tomicus interstitialis Eichhoff, 1869 Ips ponderosae Swaine, 1925 Common names: Coarse writing engraver, six-spined Ips, six-spined engraver beetle (English) Diagnostic notes -Has six spines on the elytral declivity and is similar to I. apache Distinguished from […]

Ips borealis thomasi

Ips bark beetles of the World > Checklist> Scientific Name Ips borealis thomasi Hopping, 1965 Synonyms Ips thomasi Hopping, 1965 Diagnostic notes Species:-Has four spines on the elytral declivity.-Potentially sympatric with related species I. tridens, I. pilifrons, I. perturbatus and morphologically similar species I. pini.-Differs from the related species by the even, minute punctures on the upper female frons, and smaller size, 2.6–3.8 […]

Ips borealis swainei

Ips bark beetles of the World > Checklist> Scientific Name Ips borealis swainei Hopping, 1939 Synonyms Ips swainei Hopping, 1939 Diagnostic notes Species:  -Has four spines on the elytral declivity.-Potentially sympatric with related species I. tridens, I. pilifrons, I. perturbatus and morphologically similar species I. pini.-Differs from the related species by the even, minute punctures on the upper female frons, and smaller size, 2.6–3.8 […]

Ips borealis lanieri

Ips bark beetles of the World > Checklist> Scientific Name Ips borealis lanieri Wood, 1974 Diagnostic notes Species: -Has four spines on the elytral declivity. -Potentially sympatric with related species I. tridens, I. pilifrons, I. perturbatus and morphologically similar species I. pini. -Differs from the related species by the even, minute punctures on the upper […]

Ips borealis borealis

Ips bark beetles of the World > Checklist> Scientific Name Ips borealis borealis Swaine, 1911 Synonyms Ips borealis Swaine, 1911 Diagnostic notes Species:   -Has four spines on the elytral pronotum 1.1-1.2 times longer than wide. Head. Epistomal margin with uniseriate row of tubercles absent or present with gap at midline. Frons outline convex or protruding; vestiture absent (glabrous) or  fine (not hiding […]

Ips avulsus

Ips bark beetles of the World > Checklist> Scientific Name Ips avulsus (Eichhoff, 1868) Diagnostic notes -Has four spines on the elytral spine 3 of the male pronotum 1.1-1.2 times longer than wide. Head. Epistomal margin with uniseriate row of tubercles uninterrupted medially, with elongate mesal tubercle or with gap at midline. Frons outline convex in lateral view; vestiture  fine (not hiding part of integument); […]

Ips bonanseai

Ips bark beetles of the World > Checklist> Scientific Name Ips bonanseai (Hopkins, 1905) Diagnostic notes -Has four spines on the elytral declivity and its general appearance is similar to I. pini (length 3.3–4.3 mm).-Potentially sympatric in Arizona and northern Mexico with I. pini.-Differs from I. pini by the frons central carina (elongate frons central tubercle) elongate tubercle reaching row of epistomal tubercles, and usually by its smaller size, 2.9–3.4 mm (Wood 1982). Also separated […]