Lepidobrya mawsoni Tillyard 1920

• Main Authors: Zhang, Feng, Greenslade, Penelope, Stevens, Mark I.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Entognatha; Collembola; Entomobryidae; Lepidobrya; Lepidobrya mawsoni; Hudson; Razorback; Razorback Ridge; Macquarie Island
• Online Access: https://zenodo.org/record/5676344; https://doi.org/10.5281/zenodo.5676344

Lepidobrya mawsoni (Tillyard, 1920) Figs 1‒39 Entomobrya mawsoni Tillyard, 1920 Type locality. Garden Cove, Macquarie Island, Australia. Type material. Australian Museum, Sydney, holotype (AAE 12I2 on slide) and paratypes (AAE 12‒13 on slides and C 24 in alcohol). Material examined. Three females and one male on slides and three in alcohol, Australia: Macquarie Island: Razorback Ridge, 54.503°S, 158.933°E, 22.viii.2010, Peter Hudson leg. One slide and one in alcohol depsited in NJAU and others in SAMA. Additional material examined on slides (all Macquarie Island): Buckles Bay, 1931; North Arm, 7.xi.1972; Isthmus, 11.iii.1975; Isthmus, 17.xi.1977; Plateau, xii.1986; Buckles Bay, 5.i.1987. Redescription. Body length up to 3.00 mm. Background colour yellow in alcohol. Violet pigment on antennae and legs and dark blue pigment on body. Antennae gradually becoming darker from base to apex. Eye patches dark with a transverse band between them (Fig. 1). Transverse bands on posterior half of Abd. II, Abd. III, distal margin of Abd. IV, and Abd. V. Lateral stripes on thorax and Abd. IV. Irregular longitudinal patches on median part of Th. II‒Abd. I. Distal parts of trochanters, femora and tibiotarsi pigmented (Figs 1‒3). Scales brown, narrow, pointed with short ribs (Figs 3‒9); scales in the posterior row along margin of Th. II‒Abd. III larger than anterior ones (Figs 3‒8); on Abd. IV, only few chaetae in the posterior row along margin transformed into scales (Fig. 9); a row of long, thin chaetae along posterior margin of Abd. V (Fig. 10); scales ventrally on manubrium (Fig. 11) and dens (Fig. 13) narrower than those on body. Scales on Ant. I‒II (Fig. 14), legs, ventral side of manubrium and dens, and dorsal side of head and terga but absent from Ant. III‒IV, ventral tube and dorsal side of manubrium (Fig. 12) and dens. Antenna 2.03‒2.41 times as long as cephalic diagonal. Antennal segment ratios as I: II: III: IV = 1: 1.55‒1.75: 1.50‒1.65: 2.23‒2.60. Smooth, spiny mic at base of antennae: three dorsal (Fig. 14), four ...