Dissochaetus grenadensis Jeannel 1936

Figures 15, 16

Dissochaetus grenadensis Jeannel 1936: 154. Holotype male in BMNH, not seen. Type locality: St. John’s River, Grenada Island.

Diagnosis. Total length 1.9–2.5 mm. Dark brown; mouthparts, antennae and legs paler; pubescence reddish yellow. Head finely, densely punctate. Antennae when laid back reaching beyond base of pronotum. Antennomeres VI–X wider than long. Eyes large. Pronotum granulate, transverse, widest at basal onethird; sides rounded, posterior angles roundly obtuse. Elytral sides evenly rounded, apices separately evenly rounded. Fully winged. Large metatibial spur longer than first metatarsal segment. Male first protarsomere about as wide as protibial apex. Median lobe of aedeagus (Fig. 15) evenly triangular in apical one-half, with three pairs of short lateral setae before apex. Parameres (Fig. 15) weakly sinuate, extending beyond apex of median lobe, each bearing two apical setae. Inverted internal sac (Fig. 15) with two pairs of elongate sclerotized structures. Male genital segment (Fig. 16) longer than wide; sternite lobes with short, broad, triangular projections bearing long setae; pleurite lobes not divided, each bearing long setae.

Distribution. Known only from Grenada. Previously known localities (from Jeannel 1936). Grenada (Island). St. John’s River and Grand Etang, collected by H. H. Smith.

New records. Grenada. Grand Etang Forest Reserve. N12°04.846’, W61°42.333’, 9–28.VIII. 2010, 360m, for. malaise, S. Peck, 10-60 (1, SBPC); N12°04.846’, W61°42.333’, 9-28.VIII. 2010, 360m, rain for. FIT, S. Peck, 10-61 (6, SBPC); N12°04.162’, W61°42.162’, 10–28.VIII. 2010, 400m, rain for. malaise, S. Peck, 10- 62 (2, SBPC); N12°04.162’, W61°42.162’, 10–28.VIII. 2010, 400m, rain for. FIT, S. Peck, 10-63 (13, SBPC); N12°04.162’, W61°42.162’, 15–18.VIII. 2010, 400m, rain for. carrion tp., S. Peck, 10-70 (18, SBPC); N12°04.846’, W61°42.333’, 15–18.VIII. 2010, 360m, rain for. carrion tp., S. Peck, 10-71 (13, SBPC; 3, MCZC; 3, FSCA; 3, FMNH).