Pityophthorina Eichhoff, 1878

Buhroo, Abdul Ahad, 2024, A taxonomic monograph of subfamily Scolytinae (Coleoptera: Curculionidae) in the Western Himalaya, Zootaxa 5533 (1), pp. 1-82 : 8

Subtribe Pityophthorina Eichhoff, 1878

Genus Pityophthorus Eichhoff, 1864

Pityophthorus species are diagnosed by the following morphological characters: body length: 1.0– 2.5 mm; body cylindrical; antennal funicle five-segmented, 1 st segment alone as long as all the others; club flattened, broadly oval to circular, 1.5× as long as wide, with two to three straight to procurved sutures, suture 1 and 2 septate laterally; eyes anteriorly slightly emarginate; pronotum longer than wide, anteriorly with concentric tubercles, posteriorly punctate, with fine raised line at the base and also on sides of pronotum; declivity steep, convex to strongly bisulcate with interstriae 1 and 3 variously elevated and granulate; metepisternum is nearly completely covered with elytra; host: conifers.

Key to the Western Himalayan species of Pityophthorus Eichhoff, 1864

1 Pronotal asperities arranged in concentric rows on anterior pronotum, anterior margin broadly rounded with six serrations; frons with short sparse setae and median carina in both sexes............................................. P. cedri Wood

- Pronotal asperities rather irregularly arranged; frons in females with long setae.................................... 2

2 Absence of distinct carina on the female frons but with longer setae rather forming tufts, anterior margin of pronotum armed with four serrations....................................................................... P. chilgoza Wood

- Presence of distinct carina on the female frons and with uniformly distributed moderate hairs, anterior margin of pronotum scarcely serrate....................................................................... P. deodara (Stebbing)