Australotomurus montanus Mari-Mutt & Greenslade, 1985

Bellini, Bruno Cavalcante, Greenslade, Penelope, Baquero, Enrique, Jordana, Rafael & Souza, Paolla Gabryelle Cavalcante De, 2022, A synthesis of the current knowledge on the Australian Orchesellidae (Collembola, Entomobryoidea), Zootaxa 5115 (2), pp. 221-257 : 242

Australotomurus montanus Mari-Mutt & Greenslade, 1985

Figs 8 , 13 , Tables 2 – 3

Diagnosis. Size of adult specimens about 2 mm, Th. II unpigmented except for its anterolateral dorsal margin and ventral region, Th. III–Abd. VI completely pigmented. Ant. II undivided (antennae with five segments). Males’ Ant. Ib internally with about 40–45 modified short densely ciliate chaetae plus 10–14 minute smooth chaetae, Ant. II internally with about 20 slender densely ciliated chaetae, none remarkably large. Males’ Ant. II straight (not angled). Antero-lateral head without clusters of differentiate chaetae. Labial basomedian field posteriorly with 5–8 ciliate chaetae internal to E. Dorsal head with A3, A4–4e, A6p, S0’, S4i, S5a, S5e, Ps2, and Ps5 mac, M0–2, S2, and Ps3 mac absent ( Fig. 13A ). Abd. II with a3a and p4 mac, plus 5–6 mac on the m3ea complex, a1a, a2a2–2a3, and m 3ei present or absent, m3ep and m4 mac absent ( Fig. 13B ); Abd. III with a2, a3–3a, and m3eai mac, a1a, m 3ei, m3ea, m3p, and p3 mac present or absent ( Fig. 13C ); Abd. IV with A2–3, Ae5, B3, B5, and xa mac, A5, xp, C4, T1, and T6 mac absent ( Fig. 13D ). Trochanteral organ with about 20 spine-like chaetae. Unguis with four inner teeth, with the paired proximal teeth (see Mari-Mutt & Greenslade 1985, p. 239, fig. 79). Tenaculum with 6–7 chaetae (adapted from Mari-Mutt & Greenslade 1985).

Figures

FIGURE 8. Distribution of Australian Orchesellidae.

FIGURE 13. Dorsal macrochaetotaxy of Australotomurus montanus: A, head; B, Abd. II; C, Abd. III; D, Abd. IV.