Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 77. (Budapest 1985)
Steinmann, H.: A revision of the genus Chaetolabia Brindle, 1972 (Dermaptera, Labiidae)
10 (11) Each branch of male forceps without an inner tooth on basal half, pygidium very strongly transverse; male genitalia specific, virga within genital lobe with a strongly sclerotized section basally ; pygidium of female more or less large quadrilobata (DOHRN, 1867) 11 (10) Each branch of male forceps with an inner tooth on basal half, pygidium not strongly transverse; male genitalia characteristic, genital lobe with a broad sclerotized area apically; pygidium of female less large tetragona (BORELLI, 1907) 12 (1) Oriental or Indo-Australian species. 13 (14) Oriental species. Apical inner part of male forceps with specific teeth; female forceps with inner tooth on apical section cingalensis (DOHRN, 1865) comb. n. 14 (13) Indo-Australian species. 15 (16) Male genitalia of Paraspania-type spiral virga, but external characters of Chaetola6/û-type; male forceps with large inner tooth basally, and a second tooth medially dentata (BRINDLE, 1976) 16 (15) Male genitalia not of Paraspania-type, virga within genital lobe otherwise. 17 (20) Male forceps with large inner tooth near midpoint. 18 (19) Male pygidium with two large median, and four smaller lateral tubercles posteriorly; female forceps straight, inner margins crenulate stoneri (CAUDELL, 1927) 19 (18) Male pygidium with a small median, bifid tubercle medially (Fig. 3); male genitalia with a short undulate virga (Fig. 4) hilaro sp. n. 20 (17) Male forceps without large inner tooth near mid-point. 21 (22) Male pygidium small, simple, transverse (Fig. 5); each branch of male forceps simple, inner margins without tooth or teeth, but with dorsal and ventral edges; male genitalia specific as in Fig. 6 socculata sp. n. 22 (21) Male pygidium large, not transverse; each branch of male forceps with inner tooth or teeth. 23 (24) Male pygidium characteristic, lanceolate; female pygidium with two small tubercles posteriorly spicata BRINDLE, 1972 24 (23) Male pygidium otherwise. 25 (26) Male genitalia with very narrow external parameres, virga within genital lobe undulate; male pygidium very large, posterior margin broadly excised; female forceps with a specific crenulated section on apical half canaca (BURR, 1903) 26 (25) Male genitalia with gibbous external parameres; virga within genital lobe turned basally. 27 (28) Male pygidium conspicuous, very broad, and broadly excised posteriorly; male genitalia with a thick virga; female forceps with inner margins strongly crenulate esakii (MENOZZI, 1941) 28 (27) Male pygidium otherwise. 29 (30) Male virga within genital lobe not associated with a very large sclerotized area; male pygidium broad at base, strongly narrowed posteriorly, apex bifid; female forceps serrated at inner margins appendicina (MENOZZI, 1941) 30 (29) Male virga within genital lobe associated with a very large sclerotized area; male pygidium otherwise. 31 (32) Male pygidium triangular, a little similar to Dora-type in dorsal view (Fig. 7); male genitalia conspicuous, virga within genital lobe thick; genital lobe with large sclerotized area (Fig. 8) nebulosa sp. n. 32 (31) Male pygidium bifid apically (Fig. 9), not of Dorw-type; male genitalia characteristic, virga within genital lobe narrow; genital lobe with a smaller sclerotized area (Fig. 10) venusta sp. n.
