Margattea

Wang, Jinjin, Li, Xinran, Wang, Zongqing & Che, Yanli, 2014, Four new and three redescribed species of the cockroach genus Margattea Shelford, 1911 (Blattodea, Ectobiidae, Pseudophyllodromiinae) from China, Zootaxa 3827 (1), pp. 31-44 : 31-32

Key to species of Margattea from China

1 Tegmina barely reaching middle of abdomen ( Figs. 12, 13 ).......................................... M. hemiptera

- Tegmina reaching or extending beyond the end of abdomen ( Figs. 1–11 )......................................... 2

2 Hind wings obviously reduced, not reaching the end of abdomen.................................. M. perspicillaris

- Hind wings fully developed, reaching or extending beyond end of abdomen ( Figs. 1–11 )............................ 3

3 Pronotum without maculae.................................................................. M. immaculata

- Pronotum with maculae ( Figs. 1, 3, 5, 7, 9, 11 , 16 , 25 , 34 , 45 , 56 ).............................................. 4

4 Interocular space relatively narrow, nearly equal to half of distance between antennal sockets ( Figs. 4 , 23 ).. M. angusta sp. n.

- Interocular space wide, evidently wider than half of distance between antennal sockets ( Figs. 2, 6, 8, 10 , 14 , 32 , 43 , 54 )... 5

5 The front femur Type B3, distal part with 3 large spines ( Fig. 37 )............................................... 6

- The front femur Type B2, distal part with 2 large spines ( Figs. 19 , 48 , 59 )....................................... 10

6 Supra-anal plate with hind margin concave in the middle............................................ M. trispinosa

- Supra-anal plate with hind margin round and curved ( Fig. 39 )................................................. 7

7 Interstylar margin strongly produced ( Fig. 40 ).............................................................. 8

- Interstylar margin not produced and nearly truncate........................................................... 9

8 Interstylar region semicircular, hind margin armed with small spines.................................... M. spinifera

- Interstylar region elliptical, lateral margin armed with small spines ( Fig. 40 )........................... M. flexa sp. n.

9 Median phallomere with brush-shaped structure at apex............................................... M. furcata

- Median phallomere with spine-shaped structure at apex........................................... M. mckittrickae

10 Male eighth tergum unspecialized............................................................... M. producta

- Male eighth tergum specialized and with a group of setae in the middle of hind margin ( Figs. 20 , 49 , 60 ).............. 11

11 Supra-anal plate with hind margin broadly incised in the middle ( Fig. 61 )........................................ 12

- Supra-anal plate with hind margin curved and not incised ( Figs. 21 , 50 )......................................... 15

12 Subgenital plate obviously asymmetrical ( Fig. 62 )......................................................... 13

- Subgenital plate symmetrical or almost symmetrical....................................................... 14

13 Styli long and slender, distinctly longer than interstylar space.......................................... M. limbata

- Styli short and robust, approximately equal to interstylar space ( Fig. 62 )....................... M. pseudolimbata sp. n.

14 Median phallomere with a pair of spinelike sclerites................................................. M. nimbata

- Median phallomere without a pair of spinelike sclerites.............................................. M. punctulata

15 Median phallomere with brush-shaped sclerites at apex, or accessory structure with brush-shaped sclerite ( Fig. 22 )....... 16

- Median phallomere without brush-shaped sclerites at apex, and accessory structure without brush-shaped sclerite ( Fig. 51 )...................................................................................................... 17

16 The accessory structure of median phallomere with brush-shaped sclerite................................ M. speciosa

- The accessory structure of median phallomere without brush-shaped sclerite ( Fig. 22 )..................... M. bisignata

17 Interstylar margin concavely arched............................................................. M. concava

- Interstylar margin not concave ( Fig. 51 )................................................................. 18

18 Median phallomere forked at apex........................................................... M. multipunctata

- Median phallomere unforked at apex ( Fig. 51 ).................................................. M. spinosa sp. n.

Figures

FIGURES 1 – 13. 1 – 2. Margattea bisignata, male: 1 dorsal view 2 ventral view 3 – 4 Margattea angusta sp. n., male: 3 holotype, dorsal view 4 same, ventral view 5 – 6 Margattea flexa sp. n., male: 5 holotype, dorsal view 6 same, ventral view 7 – 8 Margattea spinosa sp. n., male: 7 holotype, dorsal view 8 same, ventral view 9 – 10 Margattea pseudolimbata sp. n., male: 9 holotype, dorsal view 10 same, ventral view 11 Margattea limbata Bey-Bienko, female: 11 holotype, dorsal view 12 – 13 Margattea hemiptera Bey-Bienko, male: 12 holotype, dorsal view. 13 same, ventral view Scale bars = 0.5 cm (Figs. 1 – 13).

FIGURES 14 – 22. Margattea bisignata Bey-Bienko 14 head 15 maxillary palps 3 – 5 16 pronotum 17 tegmen 18 hind wing 19 front femur 20 eighth abdominal tergum 21 supra-anal plate and paraprocts, ventral view 22 subgenital plate and phallomeres, dorsal view. Scale bars = 0.5 mm (Figs. 14 – 16, 19 – 22), 2.0 mm (Figs. 17 – 18).

FIGURES 23 – 31. Margattea angusta sp. n. 23 head 24 maxillary palps 3 – 5 25 pronotum 26 tegmen 27 hind wing 28 front femur 29 eighth abdominal tergum 30 supra-anal plate and paraprocts, ventral view 31 subgenital plate and phallomeres, dorsal view. Scale bars = 0.5 mm (Figs. 23 – 25, 28 – 31), 2.0 mm (Figs. 26 – 27).

FIGURES 32 – 42. Margattea flexa sp. n. 32 head 33 maxillary palps 3 – 5 34 pronotum 35 tegmen 36 hind wing 37 front femur 38 eighth abdominal tergum 39 supra-anal plate and paraprocts, ventral view 40 subgenital plate (only including median phallomere), dorsal view 41 left phallomere 42 hook-like phallomere. Scale bars = 0.5 mm (Figs. 32 – 34, 37 – 42), 2.0 mm (Figs. 35 – 36).

FIGURES 43 – 53. Margattea spinosa sp. n. 43 head 44 maxillary palps 3 – 5 45 pronotum 46 tegmen 47 hind wing 48 front femur 49 eighth abdominal tergum 50 supra-anal plate and paraprocts, ventral view 51 subgenital plate (only including median phallomere), dorsal view 52 left phallomere 53 hook-like phallomere. Scale bars = 0.5 mm (Figs. 43 – 53).

FIGURES 54 – 63. Margattea pseudolimbata sp. n. 54 head 55 maxillary palps 3 – 5 56 pronotum 57 tegmen 58 hind wing 59 front femur 60 eighth abdominal tergum 61 supra-anal plate and paraprocts, ventral view 62 subgenital plate (including median phallomere and hook-like phallomere only), dorsal view 63 left phallomere. Scale bars = 0.5 mm (Figs. 54 – 56, 59 – 63), 2.0 mm (Figs. 57 – 58).