Lepidocyrtoides, Schott, 1917

Bellini, Bruno Cavalcante, 2017, The discovery of Lepidocyrtoides Schött, 1917 (Collembola, Entomobryidae, Entomobryinae) from the New World, including three new species from Brazil and one from Australia, Zootaxa 4324 (2), pp. 201-248 : 238

Key to Lepidocyrtoides species from Brazil

1 Head dorsally with 6 sutural mac (S0–3, S5–6), M1 mac present; anterior postlabial chaetae smooth ( Figs 21B, E ); Th II with 10 or more posterior mac; Abd I–III with 1, 4, 2 central mac, respectively ( Figs 22A, C–D , 23A )..................................................................................... L. tapuia ( Arlé & Guimarães, 1980) comb. nov.

- Head dorsally with 3 or less sutural mac, M1 mac absent; anterior postlabial chaetae ciliate ( Figs 5D , 16B, E ); Th II with 5 or less posterior mac; Abd I–III with 0, 3, 1 central mac, respectively ( Figs 13 , 14A , 27 , 28A )...........................2

2 Head without Pp5 mac; anterior postlabial region without spine-like mic ( Figs 5D , 6A ); Th II with 1 posterior mes (p3); Abd I without mac; manubrial plate with 4 blunt mac ( Figs 7A, C , 10G )........................ L. caeruleomaculatus sp. nov.

- Head Pp5 mac present; anterior postlabial region with spine-like mic ( Figs. 12D–E ); Th II with 4 or more posterior mac; Abd I with at least 1+1 (m5) mac; manubrial plate with 2 blunt mac ( Figs 13A, C , 15H , 29G ).............................3

3 Basomedian labial field devoid of R chaeta ; Th II with 5 posterior mac ( Figs 26D , 27A )......................................................................................... L. villasboasi ( Arlé & Guimarães, 1981) comb. nov.

- Basomedian labial field with R chaeta ciliate; Th II with 4 posterior mac ( Figs 16E , 17A )............................4

4 Body of adults completely dark blue and Ant yellowish ( Fig. 1B ); trochanteral organ with about 98 spine-like chaetae; unguiculus III acuminate; dorsal dens without proximal mac and with two rows of unilaterally ciliate chaetae ( Figs 15D–E, H )...................................................................................... L. colormutatus sp. nov.

- Body dark blue between Th III and Abd IV ( Fig. 1E ); trochanteral organ with about 27 spine-like chaetae; unguiculus III truncate; dorsal dens with 1 modified proximal mac and without rows of unilaterally ciliate chaetae ( Figs 19D–E, I )........................................................................................... L. bicolorangelus sp. nov.

Figures

FIGURE 1 A – J. Lepidocyrtoides spp., habitus of specimens fixed in alcohol (lateral view). A, L. caeruleomaculatus sp. nov.; B – D, L. colormutatus sp. nov.: B, adult, C, subadult, D, juvenile; E, L. bicolorangelus sp. nov.; F – G, L. tapuia comb. nov: F, adult, G, juvenile; H, L. villasboasi comb. nov. preserved in slide; I – J, L. hopkini sp. nov.: I, adult, J, juvenile. Scale bars: A – B, F, H – I (1 mm), C – E, J (0.5 mm), G (0.2 mm).

FIGURE 5 A – F. Lepidocyrtoides caeruleomaculatus sp. nov.: dorsal head; A, apex of Ant IV; B, Ant III apical organ (lateral side); C, chaetotaxy of the left Ant I (dorsal side); D, cephalic chaetotaxy; E, eyepatch and part of chaetotaxy (left side); F, chaetotaxy of the clypeus, prelabrum and labrum, arrow indicates chaeta a 1 thick of L. bicolorangelus sp. nov.

FIGURE 6 A – C. Lepidocyrtoides caeruleomaculatus sp. nov.: ventral head; A, anterior postlabial and cephalic groove regions chaetotaxy (left side), lateral chaetae omitted; B, maxillary outer lobe and sublobal plate; C, labial palp, proximal chaetae (p. c.), and basomedian and basolateral fields, l. p. is the lateral process of papilla E.

FIGURE 7 A – D. Lepidocyrtoides caeruleomaculatus sp. nov.: dorsal chaetotaxy; A, Th II; B, Th III; C, Abd I; D, Abd II.

FIGURE 10 A – H. Lepidocyrtoides caeruleomaculatus sp. nov.: A, distal tibiotarsus and empodial complex I (posterior view); B, distal tibiotarsus and empodial complex III (posterior view); C, empodial complex III (inner view); D, collophore anterior chaetotaxy; E, collophore posterior and lateral flap chaetotaxy; F, manubrium ventro-distal chaetotaxy; G, distal manubrium and proximal dens (lateral view); H, distal dens and mucro (lateral view).

FIGURE 12 A – E. Lepidocyrtoides colormutatus sp. nov.: head; A, Ant III apical organ (lateral side); B, chaetotaxy of the clypeus and prelabrum; C, labial palp; D, dorsal cephalic chaetotaxy; E, chaetotaxy of the maxillary outer lobe and sublobal plate, proximal chaetae (p. c.), basomedian and basolateral fields, anterior postlabial and cephalic groove regions (left side), lateral chaetae omitted.

FIGURE 13 A – D. Lepidocyrtoides colormutatus sp. nov.: dorsal chaetotaxy; A, Th II, arrow points to variation of anterior mac; B, Th III; C, Abd I; D, Abd II.

FIGURE 14 A – C. Lepidocyrtoides colormutatus sp. nov.: dorsal chaetotaxy; A, Abd III; B, Abd IV, arrow points to variation of posterior mac; C, Abd V.

FIGURE 15 A – H. Lepidocyrtoides colormutatus sp. nov.: A, subcoxa I; B, subcoxa II; C, subcoxa III (outer side); D, trochanteral organ (posterior side); E, distal tibiotarsus and empodial complex III (posterior view); F, collophore chaetotaxy (lateral view); G, manubrium ventro-distal chaetotaxy; H, distal manubrium and proximal dens (lateral view).

FIGURE 16 A – E. Lepidocyrtoides bicolorangelus sp. nov.: head; A, Ant III apical organ (lateral side); B, dorsal cephalic chaetotaxy; C, chaetotaxy of the clypeus; D, labral papillae, arrows indicates projections present or absent; E, chaetotaxy of the labial basomedian and basolateral fields, anterior postlabial and cephalic groove regions (left side), part of lateral chaetae omitted.

FIGURE 17 A – D. Lepidocyrtoides bicolorangelus sp. nov.: dorsal chaetotaxy; A, Th II, arrows point to variations of anterior mac of paratype (1) and holotype (2) respectively; B, Th III; C, Abd I; D, Abd II.

FIGURE 19 A – I. Lepidocyrtoides bicolorangelus sp. nov.: A, subcoxa I; B, subcoxa II; C, subcoxa III (outer side); D, trochanteral organ (posterior side); E, distal tibiotarsus and empodial complex III (posterior view); F, collophore anterior chaetotaxy; G, collophore posterior and lateral flap chaetotaxy; H, manubrium ventro-distal chaetotaxy; I, distal manubrium and proximal dens (lateral view).

FIGURE 21 A – E. Lepidocyrtoides tapuia comb. nov.: head; A, Ant III apical organ (lateral side); B, dorsal cephalic chaetotaxy; C, chaetotaxy of the clypeus; D, Labial palp papilla E (left side); E, chaetotaxy of the labial basomedian and basolateral fields, postlabial and cephalic groove (left side), lateral chaetae omitted.

FIGURE 22 A – D. Lepidocyrtoides tapuia comb. nov.: dorsal chaetotaxy; A, Th II, arrow indicates small modified scale; B, Th III; C, Abd I; D, Abd II.

FIGURE 23 A – C. Lepidocyrtoides tapuia comb. nov.: dorsal chaetotaxy; A, Abd III; B, Abd IV; C, Abd V.

FIGURE 26 A – D. Lepidocyrtoides villasboasi comb. nov.: head; A, Ant III apical organ (lateral side); B, dorsal cephalic chaetotaxy; C, chaetotaxy of the clypeus; D, chaetotaxy of the labial basomedian and basolateral fields, anterior postlabial and cephalic groove regions (left side), lateral chaetae omitted.

FIGURE 27 A – D. Lepidocyrtoides villasboasi comb. nov.: dorsal chaetotaxy; A, Th II, arrow points to variation of anterior mac of holotype; B, Th III; C, Abd I; D, Abd II.

FIGURE 28 A – C. Lepidocyrtoides villasboasi comb. nov.: dorsal chaetotaxy; A, Abd III; B, Abd IV; C, Abd V.

FIGURE 29 A – G. Lepidocyrtoides villasboasi comb. nov.: A, subcoxa I; B, subcoxa II; C, subcoxa III (outer side); D, trochanteral organ (posterior side); E, collophore chaetotaxy (lateral view); F, manubrium ventro-distal chaetotaxy; G, manubrial plate (lateral view).