Sphrigodellus

Yunakov, Nikolai, 2012, 3535, Zootaxa 3535, pp. 1-104 : 8-9

Key to species of Sphrigodellus

1 Striped pattern on elytra more or less developed............................................................ 2

- Striped pattern on elytra absent........................................................................ 10

2 Pro- and mesotibiae strongly curved; elytral intervals 3 and 5 densely setose; temples with longitudinal callosity......... 3

- Pro- and mesotibiae straight; elytral intervals 3 and 5 sparsely setose or without setae; temples without longitudinal callosity. .................................................................................................... 4

3 Subocular row consists of 2–4 setae; anterior fringe distinct; basisternum squamose; antennal scape squamose; rostrum as long as wide or weakly elongate [RL/RW: 1.06–1.24 (1.12)]; antennal funicle robust: funicular segments 5–7 as long as wide; club egg-shaped; median lobe 0.7 x as long as apodemes, distinctly tubular; sharply narrowed apically in apical 1/4; apex narrowly rounded, almost acute; spermatheca with slender collum slender 2 x as long as ramus.................. S. minutus sp. n.

- Subocular row consists of 4–6 setae; anterior fringe indistinct; basisternum bare; antennal scape setose, without scales; rostrum strongly elongate [RL/RW: 1.20–1.33 (1.27)]; antennal funicle slender: funicular segments 5–7 oblong; club spindle-shaped; median lobe 1.30 x longer than apodemes, flattened dorso-ventrally, not tubular, evenly narrowed apically in apical 1/3; apex broadly rounded, dorso-ventrally slightly convex; spermatheca with slender collum 0.5 x as long as ramus...................................................................................................... S. parecola sp. n.

4 Striped pattern on elytra unclear.......................................................................... 5

- Striped pattern on elytra distinct.......................................................................... 6

5 Head, sides of pronotum, and elytral interval 1 entirely brown or grayish-brown; epifrons sides with row of rather erect scales; elytral intervals 2, 4, 6 with distinct row of setae; intervals 1, 3, 5, 7–10 without setae; antennal funicle without scales; rostrum with 6 epistomal setae; anterior setal fringe consists of 8 (4+4) suberect setae; epifrons at the level of antennal articulation 1.66 x as wide as vertex; antennal scape sharply widened apically; funicular segments 6–7 as long as wide; FW/ELD average: 1.50; median lobe as long as apodeme; shape of aggonoporium ( Fig. 144)............................. S. lepidus (Marshall)

- Head, sides of pronotum, and 1st interval of elytra with green scales; epifrons sides with row of rather erect scales; elytral intervals 1–6 with distinct row of setae; intervals 1, 3, 5 with sparse setal row; antennal funicle (1st or 1st–2nd segments) with scales; rostrum with 8–10 epistomal setae; anterior setal fringe consists of 12 (4+2+2+4) suberect setae; epifrons at the level of antennal articulation 1.5 x as wide as vertex; antennal scape evenly widened apically; funicular segments 6–7 1.5 x as long as wide; FW/ELD average: 1.14; median lobe 0.7 x as long as apodeme; shape of aggonoporium (figs 161, 162)................................................................................................. S. usambaricus sp. n.

6 Scape setose; setae erect and thin, piliform................................................................. 7

- Scape squamose; setae suberect or subrecumbent and broad, narrowly-lanceolate................................... 8

7 Subocular row consists of 4–6 setae; suberect setae short (up to a third of interval width); rostrum weakly elongate [RL/RW: 1.11–1.22 (1.17)]; eyes highest at middle; pronotal disc flat longitudinally and slightly convex transversally; male elytra oval [EL/EW: 1.31–1.41 (1.38)]; tarsomere 2 transverse, 1.5 x as wide as length; median lobe slightly constricted in apical 1/3 and sharply narrowed apically; apex narrowly rounded, dorso-ventrally slightly convex; lateral edges of median lobe fused, form longitudinal convexity through entire length; preputial opening cordate............................. S. gusarovi sp. n.

- Subocular row consists of 6–8 setae; elytral setae long (half as long as interval width); rostrum strongly elongate [RL/RW: 1.24–1.39 (1.34)]; eyes highest posteriorly; pronotal disc strongly convex longitudinally and transversally; male elytra oblongoval [EL/EW m: 1.53–1.56 (1.54)]; tarsomere 2 as long as wide; median lobe parallel-sided (not constricted), in apical 1/4 evenly narrowed anteriorly; apex dorso-ventrally slightly flattened; lateral edges of median lobe partly fused, form longitudinal convexity in basal half; preputial opening oblong-ovate........................................ S. nasutus sp. n. 8 Green scales broadly present in body pattern, elytral interval 1 green; elytra oval, weakly convex at the disc; submentum not protruding (see in dorsal aspect); female tergite 8 with straight or divided setal fringe (figs 145, 169)................... 9

- Green scales absent in body pattern, elytral interval 1 grey; elytra almost globose, strongly convex at sides and at the disc; submentum protruding (see in dorsal aspect, Fig. 331); female tergite 8 with bunch-shaped setal fringe ( Fig. 340).................................................................................................... S. lineatus sp. n.

9 Smaller (BL: 2.15–3.00 mm); anterior half of elytra with long suberect setae (as long as interval width), posterior declivity with extremely long erect setae (1.5 x as long as interval width); epifrons with distinct median carina (normally concealed by dense scaling); anterior portion of epifrons without median sulcus; aggonoporium with narrow lobes; subscutellar callosity reaches 2nd interval, bears 2 tiny tubercles................................................ S. kwamkoroensis sp. n.

- Larger (BL: 3.40–4.05 mm); anterior half of elytra with short suberect setae (0.5 x as long as interval width), posterior declivity with long erect setae (as long as interval width); epifrons without median carina; anterior portion of epifrons with thin median sulcus; aggonoporium with broad lobes; subscutellar callosity reaches 3rd interval, with 6 tiny tubercles................................................................................................ S. nguruensis sp. n.

10 Body with marble patter; elytra without transverse bend on posterior declivity; scales on antennal scape overlapping; basisternum densely squamose; epistome with 2 or 4 setae.......................................................... 11

- Body with uniform coloration, if marble rarely developed then elytra with lateral spots and transverse bend on posterior declivity, setae at declivity much longer than at disc, basisternum bare, abdomen with scattered scaling; scales on antennal scape scattered, not overlapping; basisternum bare or poorly squamose; epistome with 6 setae............................. 13

11 Elytra globose, with 2 large dark spots at the disc; epistome with 4 setae; funicle squamose; scape shorter, reaches apical 1/3 of pronotum; 5th–7th funicular segments as long as wide; club egg-shaped; larger (BL: 3.80–4.56 mm).. S. centralis (Hustache)

- Elytra ovate, without large dark spots at the disc; epistome with 2 setae; funicle without scales; s cape longer, reaches the middle of pronotum; 5th–7th funicular segments oblong; club spindle-shaped; smaller (BL: 2.43–3.70 mm)................ 12

12 Elytral intervals with weakly visible erect setae; rostrum oblong [RL/RW: 1.18–1.26 (1.22)]; transverse sulcus invisible; eyes small [FW/ELD: 0.83–1.03 (0.92)]; pronotal disc flat; subscutellar callosity distinct, with 2 tiny tubercles; male metatibiae in distal 1/3, weakly serrate; male 5th ventrite flat, without depression near the apex, apical edge broadly rounded; median lobe without thin dorsal carina; aggonoporium consists of two C-shaped lobes........................ S. viridegriseus sp. n.

- Elytral intervals with erect setae distinctly visible at declivity; rostrum as long as wide; transverse sulcus distinctly visible; eyes large [FW/ELD: 1.07–1.36 (1.21)]; pronotal disc slightly convex transversally; subscutellar callosity concealed by scales, tubercles not developed; male metatibiae in distal 1/3, strongly serrate; male 5th ventrite with depression near the apex, apical edge truncate; median lobe with thin dorsal carina; aggonoporium consists of two stick-shaped curved lobes connected proximally by transverse bridge................................................................ S. kiverengei sp. n.

13 Eyes highest posteriorly; antennal scape with suberect setae; funicular segment 2 less oblong, 2 x as long as wide, shorter than 3rd and 4th together; subscutellar callosity with 2 tiny tubercles or tubercles vestigial; median lobe as long as apodemes … 14

- Eyes highest at middle; antennal scape with subrecumbent setae; funicular segment 2 strongly oblong, 3 x as long as wide, and as long as 3rd and 4th together; subscutellar callosity with 4 and more tiny tubercles; median lobe 1.44 x as long as apodemes......................................................................................... S. taitae sp. n.

14 Smaller (BL: 2.74–3.00 mm); subocular row consists of 4–5 setae; anterior portion of epifrons with median sulcus; frontal fovea long; male metatibiae weakly serrate; male elytra oblong-oval; median lobe with apex sharply narrowed; spermatheca with collum shorter ( Fig. 300).......................................................... S. aberdarecola sp. n.

- Larger (BL: 3.01–3.70 mm); subocular row consists of 7 setae; anterior portion of epifrons without median sulcus; frontal fovea short; male metatibiae distinctly serrate; male elytra oval; median lobe in apical 1/3 evenly narrowed anteriorly; spermatheca with collum longer ( Fig. 314)......................................................... S. sundi sp. n.