Scalida, Hebard, 1929

Qiao, Limin, Li, Qianqian, Yao, Wenwen, Wang, Zongqing & Che, Yanli, 2023, Three new species of Scalida (Blattodea: Blattellidae) from Yunnan, China, Zootaxa 5306 (1), pp. 144-150 : 145

Key to species of Scalida

1 Pronotum with U-shaped macula......................................................................... 2

- Pronotum without U-shaped macula...................................................................... 8

2 U-shaped macula of pronotum broad and indistinct......................................... Scalida hamata sp. nov.

- U-shaped macula of pronotum narrower and conspicuous..................................................... 3

3 Styli close to each other................................................................... Scalida biclavata

- Styli obviously separated............................................................................... 5

4 Styli with obviously different shapes....................................................... Scalida latiusvittata

- Styli with similar shapes................................................................................ 6

5 Posterior margin of subgenital plate with a notch........................................... Scalida quadrispinata

- Posterior margin of subgenital plate rounded................................................. Scalida latiusvittata

6 Styli bifurcated with two sharpened apices................................................ Scalida pyrrhocephala

- Styli with more than two sharpened apices................................................................. 7

7 Hind margin of subgenital plate with a semicircular process lacking small spines....................... Scalida bazyluki

- Hind margin of subgenital plate with a big, long process covered with many small spines.......... Scalida spinosa sp. nov.

8 Posterior margin of the anal plate broadly rounded........................................................... 9

- Posterior margin of the anal plate irregular with two large spines............................................... 10

9 T7 with light hairs in the middle of anterior margin............................................... Scalida simplex

- T7 without hairs..................................................................... Scalida spinosolobata

10 Knobs of T7 with bristles.......................................................... Scalida ramiformis sp. nov.

- Knobs of T7 without bristles.............................................................. Scalida ectobiodes