Paracalamoncosis brasiliensis, Riccardi & Bazyar & Lamas, 2018

Riccardi, Paula Raile, Bazyar, Zeinab & Lamas, Carlos Einicker, 2018, New genus of the subfamily Oscinellinae from Brazil (Diptera: Chloropidae), Zootaxa 4438 (2), pp. 394-400 : 395-399

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Paracalamoncosis brasiliensis


Paracalamoncosis brasiliensis . sp. nov.

( Figs 1–10 View FIGURES 1–6 View FIGURES 7–10 )

Examined material. Holotype 1 ♂ Brazil, Mato Grosso do Sul, Porto Murtinho, Fazenda Retiro Conceição; S21°41’52.0”, W57°45’57.1”; Malaise 33 GoogleMaps ; 1.vii–15.viii.2012; Lamas, Nihei & eq. col. [MZUSP]. Paratypes 26 specimens: 15 ♂ same data as holotype GoogleMaps ; 7 ♂ and 1 ♀ same data as holotype, except–1.vii.2012 [ MZUSP] GoogleMaps ; 1 ♂ and 1 ♀ same data as holotype, except 25.i–29.iii.2012 [ BMNH] GoogleMaps ; 1 ♂ same data as holotype, except S21°40’59.7”, W57°46’42.5”, Malaise 31, 26.xii.2011 – 10.i.2012 [ USNM]. GoogleMaps

Diagnosis. Yellow species with black scutellar markings; scutellum elongated, triangular shaped, with six pairs of apical setae arising from small tubercles.

Description. Male. Body length, 1.6–2.1 mm, wing length, 1.4–2.3 mm.

Head ( Figs 1–3 View FIGURES 1–6 ). Twice broader than deep dorsally and deeper than long laterally; entirely yellow except for dark ocellar triangle; setae black; ocellar setae reclinated and parallel, shorter than postocellar seta; about ten developed orbital setae, same size as frontal setulae; outer vertical seta strongly developed, slightly longer than inner vertical seta; frons broader than long, apical margin slightly concave, yellow with many short brown setulae, slightly dusted; ocellar triangle pilose, small, extending to half length of frons, posteriorly two third width of frons, lateral margins straight, brown pruinose; postocellar setae lost in holotype, but convergent and upright in paratypes; outer vertical seta upright and directed slightly laterally; inner vertical seta incurved and upright; eye oval, long axis slightly oblique with dense short pubescence; face broader than deep; a narrow triangular complete carina between antennae; antennae yellow, first flagellomere round, as deep as long; arista with short black pubescence, 2 times as long as first flagellomere; gena narrow, half length of first flagellomere, yellow, with whitish setulae on ventral margin, four strong setae at the anterior margin, directed anteriorly; occiput brown, with faint brown lines at level of posterior corner of ocellar triangle, and postocular setulae alongside; proboscis yellow, narrow, short with white setulae; palpus yellow, slightly longer than antenna, and curved upwards, with brown setulae; clypeus yellow. Thorax ( Figs. 1, 4 View FIGURES 1–6 ). Scutum about as long as broad, yellow, slightly pollinose with black thoracic setae; all stripes black; central stripe black divided longitudinally; inner lateral stripe as long as central one; outer lateral stripe less than half length central stripe; one posterior dorsocentral seta, shorter than outer vertical seta, no acrostical seta; postpronotal lobe yellow with long seta equal to inner vertical; notopleuron with 1+2 setae; anterior post-alar and posterior post-alar as long as dorsocentral seta; two pairs of setulae along the posterior margin of scutum; pleura yellow with a large black spot on katepisternum and meron, entirely shining; a few setulae on dorsal margin of anepisternum and katepisternum; scutellum yellow with darkened apex, elongated triangular shaped, almost half length of scutum, with few black setulae on disc; apical scutellar setae with separation slightly closer than the distance of posterior ocelli, short and inserted on small tubercle; five pairs of lateral setae developed inserted on small tubercles; post-scutellum black, shining; halter pale yellow. Wing ( Fig. 5 View FIGURES 1–6 ). Hyaline with brown veins covered in sparse brown microtrichia; costal ratios measured from humeral vein to point where R1 touches costa, then R2+3, then R4+5, then M1+2: 0.42: 0.55: 0.27: 0.07 mm; cell r1 narrower than cell r2+3, veins R4+5 and M1+2 almost parallel, up to costal wing margin, where they diverge very slightly; distance between r-m and dm-cu twice dm-cu length; anal lobe well developed. Legs ( Figs. 1a, 6 View FIGURES 1–6 ). Mainly yellow, shining; femora slightly wider than tibia; posterior tibial organ pale yellow, narrow, occupying slightly more than middle tibia; femoral organ on mid femur, brown with a slightly irregular row of tiny spines, placed on basal third length of femur. Abdomen ( Fig. 1b View FIGURES 1–6 ). Yellow, shining with black setulae; tergites 1+2 pale yellow with a pair of brown lateroapically spots; remaining tergites brown basally, becoming lighter at apex; underside yellow. Male terminalia ( Figs. 7–8 View FIGURES 7–10 ). Remnant of sternite 6 microtrichose, with a pair of setae, semi-circular, sac-like; epandrium broader than deep, surstylus long rectangular with rounded apical margin, crossing the mid-line; cercus long, with quadrate apex, bearing an upright long apical seta and several short more basal setae. Hypandrium closed, apically forming an arch; basiphallus rectangular; distiphallus short and membranous; pre- and postgonites fused, inner margin serrate, with few sensilla; phalapodem short; sperm pump present, straight and clubbing shape.

Female ( Figs. 9–10 View FIGURES 7–10 ). Same as male except about the eyes with less densely pilose; swollen palpus; and shorter proboscis; segments 6–8 of abdomen narrow; epiproct bare, with a pair of setae; hypoproct pilose with a pair of setae apically; cercus brown apically, long and narrow.

Etymology. The specific epithet “ brasiliensis ” is derived from the country where the specimens were collected.


Museu de Zoologia da Universidade de Sao Paulo


Smithsonian Institution, National Museum of Natural History