Homidia

Pan, Zhi-Xiang, 2015, Two new species of Homidia (Collembola, Entomobryidae) and a key to species in the genus from Zhejiang Province, China, Zootaxa 4034 (3), pp. 515-530 : 528-529

Key to species of Homidia from Zhejiang Province

(mainly based on colour pattern)

1 Abd. III with a broad dark transverse band ( Figs 30–33 , 53, 54 )................................................. 2

- Abd. III without or only posterior margin with a dark transverse band ( Figs 55–57 )................................. 5

2 Th. III without central dark transverse bands......................................................... H. sauteri

- Th. III with central dark transverse bands ( Fig. 54 )...........................................................3

3 Band on middle Th. III not separated ( Fig. 54 )...................................................... .. H. sinensis

- Band on middle Th. III separated ( Figs 53 )................................................................. 4

4 Th. II with two central dark patches ( Figs 30–33 )....................................... H. quadrimaculata sp. nov.

- Th. II without central dark patches ( Fig. 53 )......................................................... .. H. similis

5 Dorsum without obvious pigment ( Fig. 57 ).................................................................6

- Dorsum with obvious pigment ( Fig. 53–56 )................................................................. 7

6 Areas A8–10 of Abd. IV with 1+1 mac, a2 present on Abd. III......................................... H. unichaeta

- Areas A8–10 of Abd. IV with 4+4 mac, a2 absent on Abd. III........................................... H. jordanai

7 Thorax with a central longitudinal stripe ( Figs 1–3 , 56 )........................................................8

- Thorax without a central longitudinal stripe ( Fig. 55 )........................................................ 10

8 Dorsal body with 3 longitudinal stripes from thorax to abdomen........................................... H. socia

- Dorsal body without 3 longitudinal stripes from thorax to abdomen..............................................9

9 Thorax with 2 lateral longitudinal stripes; Abd. IV with median and posterior two narrow bands ( Fig. 58 )....... .. H. latifolia

- Thorax without lateral stripes; Abd. IV without bands ( Fig. 40 ).............................. H. yandangensis sp. nov.

10 Abd. IV with transverse bands ( Fig. 55 )................................................................... 11

- Abd. IV without transverse bands ( Fig. 57 )................................................................ 13

11 One narrow posterior band on Abd. IV........................................................ H. phjongjangica

- Two transverses bands on Abd. IV ( Figs 53, 56 )............................................................. 12

12 Areas A8–10 of Abd. IV with 6+6 mac (Shi et al. 2010)............................................. H. formosana

- Areas A8–10 of Abd. IV with 9+9 mac............................................................ H. hexaseta

13 Th. III with 2 central dark spots; areas A8–10 at least with 10+10 mac of Abd. IV...................... .. H. tiantaiensis

- Th. III without central dark spots; areas A8–10 with 3+3 mac of Abd. IV................................. .. H. zhangi

Figures

FIGURES 30 – 33. Colour pattern of H. quadrimaculata sp. nov.: 30 – 32. Adult: 30 – 31. Lateral view; 32. Dorsal view; 33. Dorsal view of juvenile.

FIGURES 53 – 57. Colour pattern: 53. H. similis (after Szeptycki, 1973); 54. H. sinensis (after Denis, 1929); 55. H. phjongiangica (after Szeptycki, 1973); 56. H. latifolia (after Chen & Li, 1999); 57. H. unichaeta (after Pan et al. 2012).

FIGURES 1 – 3. Colour pattern of H. yandangensis sp. nov.: 1 – 2. Adult; 1. Dorsal view; 2. Ventral view; 3. Dorsal view of juvenile.

FIGURES 58 – 59. Labial and posterior labial chaetae: 58. H. latifolia (after Chen & Li, 1999); 59. H. zhangi (after Pan & Shi, 2012).

FIGURES 34 – 42. H. quadrimaculata sp. nov.: 34. Cephalic chaetotaxy; 35. Basal part of Ant. I; 36. Smooth chaetae on basal Ant. II; 37. Distal part of Ant. II; 38. Ant. III organ; 39. Apical bulb and tip of Ant. IV; 40. Labial and posterior labial chaetal formula; 41. Labial palp; 42. Maxillary outer lobe. (Figures 34 – 37, 39 dorsal view; Figures 38, 40 – 42 ventral view).