Scolytogenes

Scolytogenes jalapae, photographed by J. E. Mercado.

Belongs within: Scolytinae.

Scolytogenes is a genus of monogamous bark beetles that mostly bore in the stems of lianas (Wood 1986).

Characters (from Wood 1986): Male subequal in size to female, capable of flight. Antennal funicle four-segmented, club with sutures strongly to profoundly procurved, 1 marked on mesal half by a septum, remaining sutures marked by setae or obsolete (septum complete in several small New Guinea species); both basal and lateral margins of pronotum marked by a fine raised line, groove forming lateral line on pronotum rather weakly defined; posterior face of metatibia with a groove for reception of tarsus on lateral half; venter of abdomen weakly to very strongly ascending to meet apex of elytra, apex of elytra usually ascending also.

<==Scolytogenes Eichhoff 1878 (see below for synonymy) W86
    |--*S. darwini W86
    |--S. aspericollis [=*Lepicerus aspericollis, *Lepicerinus aspericollis] W86
    |--S. ater [=*Negritus ater] W86
    |--S. communis [=*Cryphalomorphus communis] W86
    |--S. jalapae [=Bostrichus jalapae, *Letznerella jalapae] W86
    |--S. knabi [=Ernoporides knabi, Cryphalomorphus knabi; incl. *E. floridensis] W86
    |--S. papuanus [=*Xylocryptus papuanus] W86
    |--S. parvus [=*Hypothenoides parvus] W86
    |--S. squamulosus [=*Cylindrotomicus squamulosus] W86
    `--S. usagaricus [=*Neocryphalus usagaricus] W86

Scolytogenes Eichhoff 1878 [incl. Cryphalomorphus Schaufuss 1890, Cylindrotomicus Eggers 1936, Ernoporides Hopkins 1915, Hypothenoides Hopkins 1915, Lepicerinus Hinton 1936, Lepicerus Eichhoff 1878, Letznerella Reitter 1913, Negritus Eggers 1923, Neocryphalus Eggers 1922, Xylocryptus Schedl 1975] W86

*Type species of generic name indicated

REFERENCES

[W86] Wood, S. L. 1986. A reclassification of the genera of Scolytidae (Coleoptera). Great Basin Naturalist Memoirs 10: 1-126.