Euops pygmaeus

Riedel, Alexander, 2001, The pygmaeus-group of Euops Schoenherr (Coleoptera, Curculionoidea, Attelabidae), weevils associated with Nothofagus in New Guinea, Journal of Natural History 35 (8), pp. 1173-1237 : 1180-1182

Key to the males of the pygmaeus -group

1 Elytron with humerus extended laterad as projecting tooth (®gure 8). Length of

pronotum plus elytron longer than 3.60 mm .......... 2

1 ¾ Elytron with humerus rounded, not extended as tooth. Length of pronotum plus

elytron less than 3.33 mm ............... 3

2 (1) Elytron with striae deeply impressed (®gure 8); colouration golden-bronze...

................... E. platyrostris sp. n. 2 ¾ Elytron with striae basally shallowly impressed, apically almost eOEaced; col-

ouration of elytra metallic red or metallic green.... E. sedlaceki sp. n.

3 (1 ¾) Prothorax dorsally strongly swollen (®gure 15), in lateral view dorsal contour strongly curved to subangulate. Ventrally ¯attened protrusion below each eye projecting laterad (®gure 16).......... E. singularis Voss

3 ¾ Prothorax dorsally not markedly swollen, in lateral view dorsal contour weakly curved. Without protrusions below eyes........... 4

4 (3 ¾) In lateral view dorsal contour at middle of elytron strongly curved, anteriorly sloping in almost continuous straight line to front of prothorax (®gure 109). 5 4 ¾ In lateral view dorsal contour of elytron at middle almost straight, dorsal contour of prothorax weakly curved (®gure 108)........... 6

5 (4) Elytron with strial punctures deeply impressed (®gure 5). Eyes medially approxi- mated, separated by c. 0.13 Ö basal width of rostrum (®gure 90). Pygidium with basal margin raised, medially extended anteriad (®gure 62) E. paraconvexus sp. n.

5 ¾ Elytron with strial punctures shallowly impressed (®gure 4). Eyes medially distant, separated by c. 0.33 Ö basal width of rostrum (®gure 91). Pygidium with basal margin simple, weakly convex......... E. convexus sp. n.

6 (4 ¾) Colouration of body black or deep blue........... 7

6 ¾ Colouration either bronze or with more or less extended areas (at least parts of legs) testaceous to brownish.............. 8

7 (6) Pronotum shining, with shallow punctures, not transversely rugose (®gures 2,

37). Elytral striae moderately deeply to shallowly impressed (®gure 2)........................ E. parvus sp. n. 7 ¾ Pronotum dull, coarsely microporose, transversely rugose (®gures 3, 44). Elytral

striae deeply impressed (®gure 3)........ E. porulosus sp. n.

8 (6 ¾) Colouration of entire body bronze, pronotum with greenish shine, elytra with reddish shine. Length of pronotum plus elytron c. 2.94 mm .. E. ibelensis sp. n.

8 ¾ Colouration with more or less extended areas brownish. Length of pronotum plus elytron c. 2.78 mm or less.............. 9

9 (8 ¾) Protibia long, slender, as in ®gure 116. Eyes medially distant, separated by c. 0.49 Ö basal width of rostrum (®gure 75) and frons medially punctate, ¯at. Colouration of legs and elytra uniformly ferruginous with slight metallic shine; head and prothorax greenish-bronze....... E. fraterculus sp. n.

9 ¾ Protibia shorter, as in ®gures 119±123. Eyes medially approximated or distant, but if distant frons medially with low smooth costa (®gure 22). Colouration diOEerent...................... 10

10 (9 ¾) Uncus of metatibia with accessory tooth at base (®gure 56)...... 11

10 ¾ Uncus of metatibia simple, without accessory tooth at base (®gure 55)....................... E. nothofagi sp. n.