Nocticolidae

Trotter, Andrew J., Main, Dean C. & Finston, Terrie L., 2017, Speciation in fractured rock landforms: towards understanding the diversity of subterranean cockroaches (Dictyoptera: Nocticolidae: Nocticola) in Western Australia, Zootaxa 4250 (2), pp. 143-170 : 149

Key to males of known Australian Nocticolidae

1a Metanotum with a setose gland, abdominal tergal glands always absent.......... Metanocticola christmasensis ( Roth 1999)

1b Metanotum unspecialized, abdominal tergal glands present or absent........................................... 2

2a Abdominal terga unspecialized (small invagination may be present).............................................. 5

2b Fourth abdominal tergum specialized..................................................................... 3

3a Specialization on T4 non-setose, inverted, sclerotized V-shaped on postero-medial margin (cavernicolous)........................................................................................ Nocticola australiensis ( Roth 1988)

3b Specialization on T4 a large depression, with associated setae................................................. 4

4a Depression on T4 large transverse, filled with dark, recumbent setae; eyes reduced to a narrow line of ommatidia (epigean)...................................................................................unnamed sp. ( Roth 1988)

4b Depression on T4 ovoid pit, with setae along invaginated flap on ventral margin; eyes reduced, or absent, comma shaped with up to 25 ommatidia (cavernicolous)............................................. Nocticola currani (n.sp.) (PART)

5a Eyes, tegmina and wings fully developed (epigean)............................. Nocticola babindaensis ( Roth 1988)

5b Eyes reduced or absent; tegmina reduced or if fully developed, then hind wings are absent........................... 6

6a Tegmina fully developed, membranous, eyes present................................ Nocticola currani (n.sp.) (PART)

6b Tegmina reduced, membranous or coriaceous.............................................................. 7

7a Tegmina greatly reduced, not reaching abdominal terga; fan shaped, coriaceous with veins absent; eyes absent (cavernicolous)............................................................................ Nocticola flabella ( Roth 1991)

7b Tegmina reaching abdominal terga; elliptical, membranous with veins present..................................... 8

8a Tegmina reaching first abdominal tergum; eyes a few black ommatidia; pronotum suboval... Nocticola brooksi ( Roth 1995)

8b Tegmina reaching fourth abdominal tergum; eyes absent or reduced to many black ommatidia; pronotum rounded square...9

9a Eyes of 6-50 ommatidia. Legs short, leg 3 subequal or just longer than total body length.... Nocticola quartermainei (n.sp.)

9b Eyes absent; legs long, leg 3 1.4 to 1.6 times longer than total body length.................... Nocticola cockingi (n.sp.)