Immanus undetermined, Hulcr & Cognato, 2013

Wang, Junkai, Smith, Sarah M. & Cognato, Anthony I., 2020, Immanus virago, a New Species from Borneo (Coleoptera: Curculionidae: Scolytinae: Xyleborini), The Coleopterists Bulletin 74 (2), pp. 438-440 : 440

MODIFIED KEY TO IMMANUS SPP. FROM BEAVER ET AL. (2019)

(figure references are to the above article)

6. Declivity abruptly steeply truncate, face circular, weakly convex, at least the sides acutely costate (figs. 2H–I). Smaller species, 4.0‒ 4.5 mm long ....................................... 7

60. Declivity strongly convex or obliquely truncate, with an acute, granulate costa extending to interstria 7 only (figs. 2M‒O). Very large species, 7.0‒ 7.8 mm long ...................... 8

7. Declivity opaque, covered with fine, setose granules on both striae and interstriae so that these are not easily distinguished; distinctly costate laterally, but not above; interstria 2 not raised on declivity, with two larger tubercles in middle ......................... I. trolaki (Schedl)

70. Declivity shining, with a finely granulate costa extending around the face of the declivity, confused granules present only near margins of declivity; declivital striae with large, closely placed, shallow punctures; interstria 2 raised on declivity, with three widely spaced small pointed tubercles (figs. 2G‒I) ....................... I. desectus (Eggers)

8. Declivity rounded, face convex; two distinct large median tubercles on interstria 2 (figs. 2M‒O) ............... I. sarawakensis (Eggers)

80. Declivity obliquely truncate, face flat; interstriae uniformly granulate with small tubercles present below declivital summit ................ .............................. I. virago new species