Slender Springtails

Figures 1–4.Habitus of Homidia jordanai sp. n. 1–2 adults, lateral view 3–4 the first instar larvae 3 dorsal view 4 lateral view.

Figures 1–4.Acrocrytus zhujiensis sp. n. 1 colour pattern, lateral view 2 body scale 3 labium and labrum (3A labral intrusion 3B maxillary outer lobe 3C labial basal chaetae R and E) 4 apical manubrium and basal dentes.

Figures 1–3.Habitus of Homidia taibaiensis sp. n. 1 lateral view 2 dorsal view 3 ventral view.

Figure 2.Dicranocentrus liuae sp. n. Habitus.

Figures 44–51.SEM photos of adult Homidia jordanai sp. n. 44 eye patches 45 base of Ant. I, dorsal side 46 spiny setae on base of Ant. I, dorsal side 47 joint of Ant. I and Ant. II 48 spiny seta on base of Ant. II 49 maxillary outer lobe 50 labial palp 51 micro-architecture of proximal setae.

Figures 5–17.Acrocrytus zhujiensis sp. n. 5 head cheatotaxy 6 basal Ant. I 7 three kinds S-chaetae on Ant. II 8 Ant. III organ 9 clypeal chaetae 10 cervical chaetae 11 labial base and labial palp 12 cephalic groove 13 coxal macrochaetae (13A fore legs 13B mid legs 13C hind legs) 14 trochanteral organ 15 hind claw 16 anterior side of ventral tube 17 posterior side and lateral flap of ventral tube.

Figures 18–21.Homidia taibaiensis sp. n. 18 dorsal chaetotaxy of Abd. IV–V 19 manubrial plaque 20 basal dentes 21 apical dentes and mucro.

Figures 3−10.Dicranocentrus liuae sp. n. 3 antennal chaetae 4 labral papillae 5 labial chaetae 6 dorsal cephalic chaetotaxy 7 trochanteral organ 8 hind claw 9 anterior face of ventral tube 10 distal posterior and lateral flap chaetae of ventral tube.

Figures 52–59.SEM photos of adult Homidia jordanai sp. n. 52 distal part of Ant. II 53 s on distal part of Ant. II 54 Ant. III organ 55 internal two s of Ant. III organ 56 external s of Ant. III organ 57 Ant. IV 58–59 s on Ant. IV.

Figures 18–23.Acrocrytus zhujiensissp. n. 18 distal manubrium and basal dens 19 distal part of ventral manubrium 20 mucro 21–23 dorsal chaetotaxy 21 Th. II 22 Th. III 23. Abd. I.

Figures 4–10.Homidia taibaiensis sp. n. 4 dorsal cephalic chaetotaxy 5 basal spiny chaetae of Ant. II 6 distal Ant. II 7 Ant. III organ 8 apical bulb of Ant. IV 9 maxillary outer lobe 10 labial base 11 labial palp.

Figures 11−14.Dicranocentrus liuae sp. n. 11 manubrial plaque 12 mucro 13 thoracic chaetotaxy 14 abdominal chaetotaxy, inset, variation in number of inner mac.

Figures 60–67.SEM photos of adult Homidia jordanai sp. n. 60–62 s of Ant. IV 63 pseudopores of coxa 64 Tita and claw of hind leg 65 supraempodial seta and outer edge of unguiculus 66 distal part of tenent hair 67 spiny seta on pretarsus.

Figures 24–25.Dorsal chaetotaxy of Acrocrytus zhujiensis sp. n. 24 Abd. II 25 Abd. III (as: antero-lateral S-chaeta).

Figures 12–14.Homidia taibaiensis sp. n. 12 dorsal chaetotaxy of Th. II–III 13 trochanteral organ 14 apical tibiotarsus and claw of hind leg.

Figures 68–75.SEM photos of adult Homidia jordanai sp. n. 68 lateral s-chaetae on Abd. I 69 lateral ms on Abd. I 70 three types of setae on Abd. IV 71 bothriotrichum on Abd. IV 72 elongate s-chaetae on Abd. IV 73 ciliate seta on Abd. IV 74 distal part of ventral tube 75 two types of setae on lateral flap of ventral tube.

Figures 26–27.Dorsal chaetotaxy ofAcrocrytus zhujiensis sp. n. 26 Abd. IV 27 Abd. V (ps: postero-sublateral S-chaeta).

Figures 15–17.Homidia taibaiensis sp. n. 15 dorsal chaetotaxy of Abd. I–III 16 anterior face of ventral tube 17 posterior face and lateral flap of ventral tube.

Figures 76–80.SEM photos of Homidia jordanai sp. n. 76–77 adult 76 partial mucro 77 dental spines 78–80 the first instar larva 78 Ant. III organ 79 distal part of Ant. IV 80 distal part of hind leg.

Figures 28–30.Acrocrytus finissp. n. 28 colour pattern, lateral view 29 body scale 30 labium and labrum (30A labral intrusion 30B labial papillae D, E and l.p. 30C labial base).

Figure 22.Habitus of Sinella triseta sp. n.

Figures 5–9.Homidia jordanai sp. n. 5 dorsal cephalic chaetotaxy 6 apical bulb of Ant. IV 7 labrum 8 labial palp 9 labial base.

Figures 31–33.Dorsal chaetotaxyof Acrocrytus finis sp. n. 31 Th. II 32 Th. III 33 Abd. I.

Figures 36–40.Sinella triseta sp. n. 36 dorsal chaetotaxy of Abd. IV–V 37 anterior face of VT 38 posterior face and lateral flap of VT 39 manubrial plaque 40 apical dentes and mucro.