Devernodes, Grebennikov, 2018

Grebennikov, Vasily V., 2018, Discovery of Lymantini weevils (Coleoptera: Curculionidae: Molytinae) outside the Americas: Devernodes, a new genus for five new species from Southeast Asia, Zootaxa 4500 (3), pp. 363-380 : 372

publication ID	https://doi.org/ 10.11646/zootaxa.4500.3.4
publication LSID	lsid:zoobank.org:pub:CAC076FD-030D-4851-AAE9-44068F7B7A75
DOI	https://doi.org/10.5281/zenodo.5304363
persistent identifier	https://treatment.plazi.org/id/AC2887EF-FFA1-FF89-FF56-FB48FA349AC4
treatment provided by	Felipe
scientific name	Devernodes
status

Treatment

Key to Devernodes adult beetles

1 Each elytron with seven striae ( Figs 8G,H.J View FIGURE 8 ); body form more elongate in dorsal view, ratio of length to maximal width 2.1–2.5 ( Figs. 1A View FIGURE 1 , 2A View FIGURE 2 , 4A View FIGURE 4 ).................................................................................... 2

1* Each elytron with nine striae ( Figs 8I,K,L View FIGURE 8 ); body form more rounded in dorsal view, ratio of length to maximal width 1.9–2.2 ( Figs 3A View FIGURE 3 , 5A View FIGURE 5 , 6A View FIGURE 6 )..................................................................................... 3

2 Eyes larger, each with at least 15 ommatidia, eyes oval in shape, their posterior edge rounded ( Fig. 7G View FIGURE 7 ) or straight ( Fig. 7H View FIGURE 7 ); rostrum dorsally with central longitudinal groove ( Figs 7A,B View FIGURE 7 ).................... D. alkippe sp. n. (Mount Emei, China)

2* Eyes smaller, each with less than 10 ommatidia, eyes crescentic in shape, their posterior edge concave ( Fig 7J View FIGURE 7 ); rostrum dorsally with two central longitudinal lines of punctures ( Fig. 7D View FIGURE 7 )....... D. chthonia sp. n. (the Tam Dao Mountains, Vietnam)

3 Pronotum with central longitudinal groove containing two lines of punctures ( Figs 3A,D View FIGURE 3 ); each eye with less than 15 ommatidia ( Fig. 7I View FIGURE 7 )................................................ D. asteria sp. n. (the Tam Dao Mountains, Vietnam)

3* Pronotum without central longitudinal groove; each eye with at least 15 ommatidia................................. 4

4 Each eye with at least 25 ommatidia ( Fig. 7K View FIGURE 7 ); outermost elytral stria bent upwards ( Fig. 8 View FIGURE 8 )........................................................................................ D. drimo sp. n. (Pasoh Forest Reserve, Malaysia)

4* Each eye with less than 20 ommatidia ( Fig. 7L View FIGURE 7 ); outermost elytral stria parallel to lateral elytral margin ( Fig. 8 View FIGURE 8 )............................................................................... D. methone View in CoL sp. n. (Tanah Rata, Malaysia)