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2025
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- <p><b><i>Tomosvaryella irwini</i> Földvari, Skevington & Motamedinia sp. nov.</b></p><p>urn:lsid:zoobank.org:act: D92C0BDA-191D-423D-B8B8-1C4AA4269BA2</p><p>Figs 49A–F, 126</p><p><b>Diagnosis:</b> This species can be recognized by the small patch of bristles on the hind trochanter; elongated surstyli, left surstylus broader than right one in middle in dorsal view (Fig. 49A); elongated gonopods; subepandrial sclerite with some horizontal wrinkles (Fig. 49B); phallic guide with 3–4 dorso- dorsolateral spines (Fig. 49F); both surstyli curved to sternite, straight in middle in lateral view (Fig. 49D–F).</p><p><b>Description: MALE:</b> Body length: 2.2 mm. <i>Head</i>. Flagellum acuminate, brown. Face silvery pollinose. Frons, upper part shining black; lower part distinctly silver pollinose; eyes touching for distance equal to 1.5 times the length of ocellar triangle. Occiput silvery pollinose, slightly less so on upper half. <i>Thorax</i>. Postpronotum pale, with 4–5 pale bristles. Mesonotum (viewed obliquely from front) brownish pollinose, anterior part more grey, greyish also from the side. Scutellum not visible (glue blocks the view). Dorsocentral bristles distinct, dark, somewhat longer on frontal edge, numerous long bristles around postpronotum present. Halter, knob brown, stem brown. <i>Legs</i>. Mid coxa with 3 long, dark bristles. Trochanters and femora dark brown, shining ventrally, silvery pollinose posteriorly except shiny hind femur; knees and basal 1/6 of tibiae yellow-brown (tibiae otherwise dark brown), tarsal segments yellow-brown, ventrally paler, last segment darker. Hind trochanter with a small patch of extra short bristles; ventrobasal spines absent on fore and mid femora. Ventroapical row of spines on fore femur absent; absent on mid femur; hind femur without ventroapical spines, bristles not visible on specimen. Subapical (distal) spines on first four tibiae absent. Hind trochanter with a small patch of extra short bristles; ventrobasal spines absent on fore and mid femora. Hind tibia not bent in posterior view. Metatarsi slightly flattened, almost as long as 2–4 combined. Pulvilli shorter than last tarsal segment. <i>Wing</i>. Length: 3.1 mm. Upper side of basal costal cell with one light bristle. Fourth costal section 2 times as long as third costal section. Cross-vein r-m at 2/5 of discal cell (proximal to middle). 2–3 distinct brown setulae on tegula. <i>Abdomen</i>. Dissected. <i>Genitalia</i>. Genital capsule in dorsal view: epandrium longer than wide (MLE:MWE = 1.8). Surstyli elongated towards surstyli, broadened at base, straightened in middle, left surstylus wider than right one, distally curved to each other (Fig. 49A). Genital capsule in ventral view: gonopods elongated, tapering at apex, unequal in height, left is longer than right one; subepandrial sclerite with 3–4 horizontal wrinkles (Fig. 49B); phallic guide with 3–4 dorso- dorsolateral spines (Fig. 49F). Genital capsule in lateral view: both surstyli curved towards sternite, straight in middle (Fig. 49D–F). Ejaculatory apodeme tube-like, bent, with a bulb in its middle (Fig. 49C).</p><p><b>FEMALE:</b> Unknown.</p><p><b>Etymology:</b> This species is named in honour of Mike Irwin, one of the collectors of the only known specimen. Mike collected 9% of the specimens used in this revision and 23% of the species (Supplementary file 2).</p><p><b>Examined material:</b> <b>HOLOTYPE</b>: AUSTRALIA: Queensland: Brisbane Forest Park, 27°25’S, 152°51’E, sclerophyl[l] <i>Eucal[y]ptus</i> forest, 4.XI.1995, Irwin & Gaimari, JSS8842 (1♂, QM); <b>PARATYPES:</b> New South Wales: 8 km S Mendooran, 31°50’S, 149°6’E, 28.I.1987, G.&A. Daniels, JSS8913 (1♂, QM); Queensland: Brisbane Forest Park, Enoggera Creek at Scrub Road Crossing, 27°26’S, 152°50’E; 27°26’S, 152°51’E; 27°29’S, 152°50’E, 200m, tropical rainforest with <i>Eucalyptus</i>, 30.X–2.XI.1995; 2–6.XI.1995; 6–9.XI.1995, 7–27.XII.1995, M.E. Irwin, Malaise trap; CNCD3774, CNCD134860, CNCD134863–4, CNCD134867, CNCD134873, CNCD134889, CNCD134898, CNCD134900, CNCD137146–7, CNCD137154–5, CNCD137157, CNCD137167; CNCD137176, CNCD137191, CNCD137198, CNCD137200, CNCD137202, CNCD137404, CNCD137409, CNCD147446, CNCD147461, CNCD147469–70, CNCD147486, CNCD147495–96 (18♂, 1♀, CNC; 8♂, QM; 2♂, USNM); Brisbane Forest Park, 27°26’S, 152°51’E, 200m, 9–14.XI.1995, M.E. Irwin, CNCD136727, CNCD136740, CNCD136746, CNCD136760, CNCD136764 (5♂, CNC); Mount Glorious, Property of Tony Hiller, 27°20’S, 152°46’E, 30.X–15.XI.1995, M.E. Irwin, CNCD136079, CNCD136087 (1♂, 1♀, CNC).</p><p><b>Distribution:</b> Australia (New South Wales, Queensland) (Fig. 126).</p><p><b>Notes:</b> This species has a very narrow range in NE New South Wales and SE Queensland. Intraspecific genetic distance is 0.9%. It is genetically most similar to <i>T. creagra</i> <b>sp. nov.</b> (8.2% pairwise divergence) (Supplementary file 3).</p>