Lepidocyrtoides Schött, 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 : 202

Genus Lepidocyrtoides Schött, 1917

Diagnosis. Body with ScaleS heavily ciliate, with Short ribS and apically rounded, pointed (common), truncate or irregular (rarely) ( FigS 4A , 11A–B, F , 30C–D ). DorSal macrochaetotaxy with chaetae apically rounded, acuminate or foot-Shaped ( FigS 2 , 3D ). Antennae with 4 SegmentS, Ant IV uSually annulated, apical bulb preSent or not ( FigS 1 , 3A , 5A , 11C , 30A–B ). Ant I–III and femur diStally with a whorl of ciliate chaetae ( FigS 3B , 9E–G ). EyeS 8+8 ( FigS 3C , 5D–E ). Prelabral chaetae Smooth or ciliate; labral formula 4 (a1–2), 5 (m0–2), 5 (p0–2) Smooth chaetae ( FigS 5F , 12B ). Labium with five Smooth proximal chaetae (p.c.). BaSolateral and baSomedian labial fieldS with chaetae A1–5 Smooth on anterior row ( FigS 3E , 6C , 12E ). Th II heavily or Slightly projected over head anteriorly; apex of Th II with numerouS ciliate mic interSperSed by ScaleS ( FigS 1 , 4A , 11E ). Th II–Abd V with mS and SenS formula 1, 0| 1, 0, 1, 0, 0 and 2, 2 | 1, 2, 2, –, 3, reSpectively. Abd II–IV bothriotrichal formula 2 (a5, m2), 3 (a5, m2, m5), 2 (T2, T4) ( FigS 7–8 ). Bothriotricha with acceSSory chaetae lanceolate and foot-Shaped or ScaleS oval and apically truncate ( FigS 2 , 11F , 30C–D ). TibiotarSi Subdivided or not ( FigS 9E–G , 30F ). PretarSi with one minute Smooth chaeta on anterior and poSterior SideS. UngueS with an outer pair of large laterobaSal teeth and one unpaired proximal tooth preSent or abSent ( FigS 4C , 10A–C , 15E , 30G , 35E ). Manubrial plate with inner blunt mac gently ciliate and apically bullet-like; denteS dorSally with or without rowS of unilaterally ciliate chaetae ( FigS 4D–G , 10G , 20 , 25B , 31B ). Mucro bidentate with a dorSo-baSal Spine ( FigS 4H , 10H , 11G ).

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 2. Symbols used in dorsal chaetotaxy description of Lepidocyrtoides species.

FIGURE 3 A – E. Lepidocyrtoides caeruleomaculatus sp. nov.: head; A, left Ant IV (dorsal side), arrow indicates the beginning of annulations; B, left Ant II distally (lateral side); C, eyepatch and part of dorsal chaetotaxy (left side), M 2 – 4, S 5 – 6 and Pp 5 as mac, Ps 5 as mes; D, head dorsal mac; E, labial palp, proximal chaetae (p. c.), basomedian and basolateral fields (a 5 and l 2 omitted) (right side), arrow indicate lateral process (l. p.) of papilla E. Scale bars: A – B (0.1 mm), C, E (0.02 mm), D (0.01 mm).

FIGURE 4 A – H. Lepidocyrtoides caeruleomaculatus sp. nov.: A, Th II – III segments (lateral view); B, distal tibiotarsus and empodial complex I (posterior view), arrow indicates a outer laterobasal tooth (anterior tooth omitted); C, lateral chaetotaxy of Abd III (left side), am 6, pm 6 and p 6 as mac, m 5 bothriotrichum, ms S-microchaeta, acc. p 6 accessory sens of p 6 chaeta; D, distal manubrium and proximal dens (dorsal view), E, blunt mac gently ciliate and apically bullet-like; F, dens median region (lateral view), arrow indicates row of unilaterally ciliate chaetae; G, dorsal row of unilaterally ciliate chaetae on dens; H, distal dens and mucro (lateral view). Scale bars: A (0.2 mm), D (0.05 mm), B – C, F – H (0.02 mm), E (0.01 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 8 A – C. Lepidocyrtoides caeruleomaculatus sp. nov.: dorsal chaetotaxy; A, Abd III; B, Abd IV; C, Abd V.

FIGURE 9 A – G. Lepidocyrtoides caeruleomaculatus sp. nov.: legs chaetotaxy; A, subcoxa I; B, subcoxa II; C, subcoxa III (outer side); D, trochanteral organ (posterior side); E, femur and tibiotarsus I; F, femur and tibiotarsus II; G, femur and tibiotarsus III (anterior side).

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 11 A – G. Lepidocyrtoides colormutatus sp. nov.: A – B, tergal scales; A, scale apically rounded; B, oval and apically truncate accessory scale of abdominal bothriotrichum; C, apex of Ant IV (dorsal view); D, part of anterior postlabial chaetotaxy (right side), arrow indicates spine-like chaeta; E, apex of Th II projection; F, lateral chaetotaxy of Abd III (left side), am 6, pm 6 and p 6 as mac, m 5 bothriotrichum, ms S-microchaeta, acc. p 6 accessory sens of p 6 chaeta, arrow indicates accessory scales of bothriotrichum; G, distal dens and mucro (lateral view). A – B (0.01 mm), C – G (0.02 mm).

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 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 20. Lepidocyrtoides bicolorangelus sp. nov.: distal manubrium and proximal dens (lateral view), arrow indicates proximal blunt chaetae. Scale bars: 0.02 mm

FIGURE 25 A – B. Lepidocyrtoides villasboasi comb. nov.: A, apex of leaf Ant II (inner view), arrow indicates group of numerous apical sensilla; B, distal manubrium and proximal dens (lateral view). Scale bars: 0.02 mm.

FIGURE 30 A – G. Lepidocyrtoides hopkini sp. nov.; A, Ant IV, arrow indicates the beginning of annulations; B, apex of Ant IV (dorsal view); C, accessory chaetae of a 5 bothriotrichal complex on Abd III (rigth side); D, accessory chaetae of T 2 bothriotrichal complex in Abd IV (rigth side); E, anterior postlabial scale-like chaetae of the ventral head (left side); F, left leg III (except coxa), posterior side; G, distal tibiotarsus and empodial complex III (posterior view), arrow indicates unpaired outer tooth. Scale bars: A, F (0.2 mm), B – E, G (0.02 mm)

FIGURE 31 A – B. Lepidocyrtoides hopkini sp. nov.; A, manubrium ventro-distal chaetotaxy (left side); B, distal manubrium and proximal dens (dorsal view). Scale bars: A (0.02 mm), B (0.1 mm).

FIGURE 35 A – H. Lepidocyrtoides hopkini 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 side); F, collophore chaetotaxy (lateral view); G, manubrium ventro-distal chaetotaxy; H, distal manubrium and proximal dens (lateral view).