Euops arfakensis, Riedel, 2006

Riedel, Alexander, 2006, Revision of the subgenus Metaeuops Legalov of Euops Schoenherr (Coleoptera, Curculionoidea, Attelabidae) from the Papuan region, Zootaxa 1181 (1), pp. 1-102 : 12-13

Key to the females of Metaeuops Legalov

Note: The females of E. arfakensis sp. n., E. coeruleus sp. n. and E. torricelliensis sp. n. are unknown and are not included in this key.

1 Metatibia larger than mesotibia, with greatly enlarged lateral surface ( Fig. 20 ). Setose patch of venter ( Figs 21–22 ) consisting of 3 simple (not double) rows of modified setae ..................................................................................................... 2

1´Metatibia of similar size as mesotibia. Setose patch of venter consisting of 3 double rows of modified setae ........................................................................... 3

2 (1) Tergite VIII with sides converging apicad; apex concave. Length of ductus spermathecae plus spermatheca 3.8–4.3 X as long as tergite VIII .......... tibialis Voss

2´Tergite VIII apically weakly concave. Length of ductus spermathecae plus spermatheca 2.7–3.7 X as long as tergite VIII ................................ paratibialis sp. n.

3 (1´) Elytron elongate, 2.47–2.72 X longer than wide. Protibia in apical third curved ventrad, widening towards apex; ventral angle of tibial apex somewhat protruded apicad, slightly shorter than premucro ............................... curvipes sp. n.

3´Elytron more compact, 2.04–2.46 X longer than wide. Protibia straight, ventral contour sinuate; ventral angle of tibial apex not protruded ............................... 4

4 (3´) Tibial apex with uncus only, without premucro. Pygidium microreticulate throughout, densely punctate. Coloration uniformly piceous except for scutellum, anterior surface of procoxa and a narrow band at base of pygidium golden ........................................................................................................... piceus sp. n.

4´Tibial apex with uncus and more or less distinct premucro. Pygidium at most in basal half microreticulate, apically shining. Coloration different, usually largely metallic blue to green or ferruginous ................................................................. 5

5 (4´) Disk of pronotum somewhat dull, microreticulate. Ventral contour of protibia subparallel to dorsal contour, weakly sinuate. Coloration of dorsal surface intense blue .......................................................................................... biru sp. n.

5´Disk of pronotum shining, not microreticulate. Ventral contour of protibia markedly sinuate. Coloration blue, green, ferruginous or black................................. 6

6 (5´) Coloration largely black with slight bluish lustre ( Fig. 4 ), or ferruginous with slight metallic lustre ( Figs 10–11 ) ..................................................................... 7

6´Coloration metallic green or blue (as in Figs 1–3, 5–8 , 14, 16 ). Never ferruginous unless specimens are teneral ..................................................................... 8

7 (6´) Scutellum greenish bronze; anterior surface of procoxae ferruginous or, at most, with slight bluish lustre ............................................................... ruficornis Voss

7´Scutellum and anterior surface of procoxae bright metallic greenish blue .......... ..................................................................................................... illegalovi sp. n.

8 (6´) Elytral striae moderately impressed ................................................................ 10

8´Elytral striae weakly impressed ......................................................................... 9

9 (8´) Coloration metallic blue. Spermatheca with long siphon­like extension, as in Fig. 207 ....................................................................................... swartensis sp. n.

9´Coloration largely metallic green to greenish­golden. Spermatheca with short siphon­like extension, as in Fig. 214 ...................................... dintelmanni sp. n.

10 (8) Apex of protibia with distinct premucro. Siphon­like extension of spermatheca short ( Figs 209, 213 ). From Maluku, Biak or Japen island............................... 11

10´Apex of protibia with minute premucro. Siphon­like extension of spermatheca long ( Figs 204–206, 211–212 ). From New Guinea.......................................... 12

11 (10) Coloration bright metallic blue, scutellum of the same color as elytron. From Biak and Japen island .................................................................... ratcliffei sp. n.

11´Coloration deeper metallic blue. From Ceram island ............... violaceus Pascoe

12 (10´) Color of scutellum only slightly brighter than elytron. Disk of pronotum with transverse impression shallow but distinct ....................................................... 13

12´Scutellum of bright metallic greenish blue color, forming distinct contrast to deep violet color of elytron. Disk of pronotum with transverse impression indistinct .......................................................................................................... 14

13 (12) Cyclops Mts. ....................................................................................... oops sp. n.

13´Manokwari Prov., Japen Isl., Paniai Prov. ............................. coelestinus Pascoe

14 (12´) Area of Mianmin .......................................................................... judithae sp. n.

14´ Western Highlands and Morobe Province of Papua New Guinea......................... ............................................................................................ tenuiflagellaris sp. n .

Figures

FIGURES 19–23. Euops paratibialis: (19) male (Borme), procoxa and base of foreleg; (20) male (Borme), metatibia. (21­22) female (Emdoman), patch of modified setae on abdominal venter; note that double rows of modified setae have merged to single rows; (23) male (Borme), everted transfer apparatus of genitalia.

FIGURES 1–9. Habitus of Euops (Metaeuops) spp.: (1) E. coelestinus, male (Japen Isl.); (2) E. coelestinus, female lectotype; (3) E. violaceus, female lectotype; (4) E. illegalovi, holotype; (5) E. swartensis, holotype; (6) E. oops, holotype; (7) E. tenuiflagellaris, holotype; (8) E. judithae, holotype; (9) E. coeruleus, holotype. Scale lines 1 mm.

FIGURES 10–18. Habitus of Euops (Metaeuops) spp.: (10) E. ruficornis, female lectotype; (11) E. ruficornis, male (Torricelli Mts.); (12) E. curvipes, holotype; (13) E. biru, holotype; (14) E. ratcliffei, holotype; (15) E. arfakensis, holotype; (16) E. dintelmanni, holotype; (17) E. piceus, holotype; (18) E. paratibialis, male (Japen Isl.). Scale lines 1 mm.

FIGURES 204–219. Spermatheca of Euops (Metaeuops) spp.; (204) E. coelestinus, lectotype; (205) E. coelestinus (Japen Isl.); (206) E. coelestinus (Wasior); (207) E. swartensis, allotype; (208) E. illegalovi, allotype; (209) E. violaceus, lectotype; (210) E. ruficornis, lectotype; (211) E. tenuiflagellaris, allotype; (212) E. judithae, allotype; (213) E. ratcliffei, allotype; (214) E. dintelmanni, allotype; (215) E. biru, allotype; (216) E. curvipes, allotype; (217) E. piceus, allotype; (218) E. paratibialis, allotype; (219) E. tibialis (Epomani). Scale lines 100 µm.