treatment provided by
Nanodromia hutan sp. nov.
Figs 169-171View Figs 169-171
Dark brown species with uniformly setose scutum; hind femur brown on middle. Male: mid femur and tibia slender; mid femur with short, yellow anterior preapical bristle; abdomen with intersegmental gland-like fields between tergites 4 and 5 and 5 and 6.
Male LENGTH. Body 0.98 mm, wing 0.90 mm.
HEAD. Black. Frons triangular, strongly widened towards ocellar tubercle. Eyes contiguous on face, with uniform ommatidia. Ocellar tubercle with short yellow proclinate anterior ocellars and longer lateroclinate posterior ocellars. Two brown to black inclinate verticals about as long as postpedicel and twice as long as ocellars. Antenna with scape and pedicel yellow, postpedicel pale yellow; pedicel without long ventral seta; postpedicel rather subconical, with very short dorsal extension, nearly 2.5 times as long as wide; stylus dorsoapical, brown, about 4.0 times as long as postpedicel. Palpus small, subglobular, yellow, with short yellow subapical seta.
THORAX. Black, subshining, with yellow setation. Postpronotal bristle short, slightly prominent. Mesonotum with 1 notopleural, 1 postsutural supra-alar, 1 postalar and 4 scutellars (inner pair long); acrostichals and dorsocentrals undifferentiated, scutum uniformly covered with numerous short setae arranged in more or less regular rows.
LEGS. Largely yellow, with only hind femur broadly brownish on middle. Mid femur slender, bearing 1 yellow, anterior preapical bristle and 1 moderately long bristle near extreme base.
WING. With transverse brown band from base of wing to cross-veins and apex white. [When wings folded above abdomen, white base of wing covers white base of abdomen; brown transverse stripe covers brown apical tergites; tip of wing that surpasses abdomen is white (transparent) again).] Halter white.
ABDOMEN. With tergite 1 pale, tergite 2 narrowly brown along posterior margin; remaining tergites brown; sternites 1-2 pale, remaining sternites pale brown. Tergites with scattered pale setulae dorsally and short lateral bristles more numerous toward tergite 8. Intersegmental gland-like structures present between tergites 4 and 5 and 5 and 6, plate-like.
TERMINALIA. Brown, rather large ( Figs 169-171View Figs 169-171). Cerci ( Fig. 170View Figs 169-171) fused, with several short unmodified setae. Epandrium completely divided. Left epandrial lamella fused with hypandrium, with slender process bearing spine and 2 moderately long setae ( Fig. 171View Figs 169-171). Left surstylus undivided, subtriangular, with minute setulae. Right epandrial lamella ( Fig. 169View Figs 169-171) large, elongate oval, with 1 spine and numerous long setae in upper part. Right surstylus undivided, long, narrow, bearing row of fairly long setae along upper margin. Hypandrium with 2 long setae apically. Phallus short. Two rod-shaped apodemes present.
Female Similar to male.
Holotype ♂ SINGAPORE: Sime forest , 17 February 2006, forest, Mal 1 (reg. 26034, leg. P.G.; in ZRC).
SINGAPORE: 1 ♂, Nee Soon, 14 October 2005, swamp forest, Mal 1 (reg. 25388, leg. P.G.); 3 ♀♀, Sime forest, 17 February 2006, forest, Mal 1 (reg. 26034, leg. P.G.).
The specific name 'hutan' means 'forest' in Malay.
Habitat and seasonal occurrence
This species occurs in swamp forests, with occasional records from February and October.
Figs 178-180View Figs 178-180
Diagnosis Species with undifferentiated acrostichal and dorsocentral bristles. Legs uniformly yellow; male mid femur with strong swelling on basal third. Bladder-like organ opening between tergites 4 and 5.
Distribution Thailand (Chantaburi and Trat Provs.).
Habitat and seasonal occurrence This species occurs in low altitude rain forests, with collection records from March.
Remarks Since this species was found at low altitude rain forests it is not unlikely that it will be found in Singapore as well.
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