Epilamprinae, Brunner von Wattenwyl, 1865

Anisyutkin, Leonid N., 2014, On cockroaches of the subfamily Epilamprinae (Dictyoptera: Blaberidae) from South India and Sri Lanka, with descriptions of new taxa, Zootaxa 3847 (3), pp. 301-332 : 303-304

Key to the Epilamprinae genera from South India and Sri Lanka

1. Hind metatarsus distinctly shorter than other segments combined; spines along lower margin absent, substituted by long and flexible hairs ( Fig. 12 C)............................................................................... 7.

- Hind metatarsus slightly shorter or longer than other segments combined; spines along lower margin present or absent, never substituted by hairs ( Figs. 2 D, E, 4C, 5C, 6D, E, 10D)....................................................... 2.

2. Euplantula along the lower margin of hind metatarsus large, occupying more than a half of the metatarsus length ( Figs. 2 D, E, 4C, 5C, 6D, E)....................................................................................... 3.

- Euplantula along the lower margin of hind metatarsus small, apical ( Fig. 10 D)..................................... 5.

3. Tegmina present, not reduced to lateral flaps ( Fig. 1 E, G, I, J)............................... Morphna Shelford, 1910 .

- Tegmina reduced to lateral flaps or absent................................................................. 4.

4. Tegmina and wings reduced to lateral flaps............................. Opisthoplatia Brunner von Wattenwyl, 1865 .

- Tegmina and wings absent ( Figs. 1B , 2 B)............................................ Indoapterolampra , gen. nov.

5. Hind metatarsus with 2 distinctly unequal rows of spines along the lower margin ( Fig. 10 D); sexual dimorphism is strongly expressed: males with tegmina and wings completely developed ( Fig. 11C ), females without wings and with tegmina reduced to lateral flaps ( Fig. 10 I) or absent........................................... .. Calolamprodes Bey-Bienko, 1969 .

- Hind metatarsus with 2 more or less equal rows of spines along lower margin; sexual dimorphism varies............... 6.

6. Sexual dimorphism is expressed: males with tegmina reaching the 6th abdominal tergite and wings reduced, females with tegmina and wings completely absent; hypandrium with the right caudal side broadly excavated; caudal margin of concavity curved, forming a distinct tooth................................................ Princisola Gurney & Roth, 1976 . - Sexual dimorphism is poorly marked: both sexes with tegmina and wings surpassing abdominal apex ( Fig. 11B ); hypandrium of different type .................................................................. Rhabdoblatta Kirby, 1903 .

7. Tegmina with obsolete venation, CuP reduced ( Figs. 14 A, B, D, 16B, E)....................... Thorax Saussure, 1862 .

- Tegmina with distinct venation, CuP present ( Figs. 14 E, 16G)............................ Phlebonotus Saussure, 1862 .

Figures

FIGURE 2. Indoapterolampra rugosiuscula sp. nov., male, holotype. A—facial part of head; B—head, thorax and 1 – 7 th abdominal tergites from above; C—left fore leg from anterior, tarsus not shown; D, E—left hind tarsus from below (D) and outside (E), pretarsus absent; F—pretarsus of mid left leg; G—abdominal apex from above; H, I—left cercus from above (H) and below (I); J—paraprocts from below; K—hypandrium from below. Dotted area shows dark color (A) or membranous parts (D, E, H, J, K). Punctured lines on Fig. B show yellow spots. Abbreviations: d. e.; i. o; l. s. a. — see text. Scale bar 1 mm: a = A; b = B; c = C; d = D, E; f = G; g = H, I; h = J; i = K.

FIGURE 10. Calolamprodes characterosa (Walker, 1868), males [A – H, J – V—specimens from Sri Lanka (C, D, G, J, L – N, Q – S) and South India (A, B, E, F, H, K, O, P, T – V)] and female (I). A—facial part of head; B—pronotum from above; C—right fore leg from anterior, tarsus not shown; D—left hind tarsus from below; E—abdominal apex from above; F—outline of anal plate from above; G—paraprocts from below; H—hypandrium from below; I—outlines of left side of thorax; J, K—right phallomeres from above; L, O—sclerite L 2 D from above; M, N, P—apical part of sclerite L 2 D from above (M, P) and below (N); Q – S—sclerite L 3; T – V—apical part of sclerite L 3. Dotted area shows membranous parts. Abbreviations: a. s.; a. scl.; ap. cr.; ap. t.; b. o.; e. r.; f. s.; i. r.; R 1 T; R 2; R 3; R 4; R 5; s. t.; v. pr. — see text. Scale bar 1 mm: a = A; b = B; c = C; d = D; e = E, F; f = G; g = H; h = I; i = J, K; j = L; k = M, N; l = O; m = P; n = Q – S; o = T – V.

FIGURE 12. Thorax porcellana (Saussure, 1862), males [A – K (B, E – K—lectotype)] and females (L – N). A, L—facial part of head; B—pronotum from above; C—right hind tarsus from outside; D, M—abdominal apex from above; E—hypandrium from below; F—right phallomere from above; G—sclerite L 2 D from above; H, I—apical part of sclerite L 2 D from above (H) and below (I); J, K—sclerite L 3; N—genital plate from below. Dotted area shows membranous parts. Abbreviations: b. L 3; c. p. R 1 T; f. s.; hge.; l. l.; l. s. a.; r. l.; R 1 T; R 2; R 3; R 4; R 5; u. s. — see text. Scale bar 1 mm: a = A; b = B; c = C; d = D; e = E; f = F, H, I; g = G; h = J, K; i = L; j = M; k = N.

FIGURE 14. Thorax porcellana (Saussure, 1862) [male (A – C) and female (D)] and Phlebonotus pallens (Audinet-Serville, 1831) (E, F—male). Tegmina (A, B, D, E) and wings (C, F) from above. Dotted area shows sclerotized parts, membrane reticulations partly omitted. Dotted lines show veins visible only in transmitted light. Dashed line in Fig. E shows line of right tegmen overlapped by left one. Abbreviations: 1 pl.; A 1; CuA; CuP; M; R; RA; RS; Sc — see text. Scale bar 1 mm: a = A; b = B; c = C; d = D; e = E; f = F.

FIGURE 1. A, D, F, H—facial part of head; B, E, G, I, J—general view from above; C—anterior part of body from below. A – C— Indoapterolampra rugosiuscula sp. nov. (male, holotype); D, E— Morphna lucida sp. nov. (male, holotype); F, G— M. plana (Brunner von Wattenwyl, 1865) (male); H – J— M. decolyi (Bolivar, 1897) (H, I—male, J—female). In Figs. B, I, J abdominal apex removed. All specimens are pinned.

FIGURE 11. A, F, H—facial part of head; B, C, G—general view from above; D, E, I—anterior part of body from below (D) and above (E, I). A, B— Rhabdoblatta praecipua (Walker, 1868) (male); C – F— Calolamprodes characterosa (Walker, 1868) (males), specimens from Sri Lanka (C, D) and South India (E, F); G – I – Thorax porcellana (Saussure, 1862) (male, lectotype). In Fig. B abdominal apex removed. Specimens in Figs. A, B, G – I are pinned, those in Figs. C – F are kept in alcohol.