Japanagromyza inferna Spencer, 1973

de Sousa, Viviane Rodrigues & Couri, Marcia Souto, 2014, Redescription of Japanagromyza inferna Spencer, first recorded from Brazil, and a key to the Neotropical species of Japanagromyza Sasakawa (Diptera, Agromyzidae), ZooKeys 374, pp. 45-55 : 47-50

Japanagromyza inferna Spencer, 1973

Material examined.

BRAZIL, RIO DE JANEIRO: Saquarema: 22°56'06"S, 42°4'43"W. 3 ♂, 1 ♀, 01. VI. 2012. Col. V.R. Sousa; 22°56'03"S, 42°24'16"W. 3 ♂, 3 ♀, 18. XI. 2011. Col. V.R. Sousa; 1 ♂ and 2 ♀, 19 XI 2011. Col. V.R. Sousa. Arraial do Cabo: 22°57'00"S, 42°05'05"W. 1♀, 01. VI. 2012. Col. V.R Sousa. Grussaí: 21°43'42.5"S, 41°01'46.2"W. 1♂, 29. I. 2012. Col. V.R Sousa; 21°44'36.3"S, 41°01'44.7"W. 1♂, 01. II. 2012. Col. V.R. Sousa. Marambaia: 17 m 23°02'56"S, 43°37'51"W. 1 ♂, 4 ♀, 03. II. 2012. Col. V.R. Sousa. All forming galls in Centrosema virginuanum (L.) Benth.

Redescription.

Male. (Fig. 2) - Body length: 2.5-2.6 mm. Wings length: 2.4 mm.

Color. Frons black dull, paler brownish at orbits level; face dark; fronto-orbital plate and ocellar triangle shining black; lunule gray pollinose; antenna black with apex of pedicel and base of postpedicel brown; arista black; palpus black; proboscis brown with labellum paler yellow with long yellow setae; thorax black with greenish reflections; halters yellow, brown at base; calypters and fringe yellow; legs black with coppery reflections; pulvilli white; abdomen black with coppery reflections.

Head. Fronto-orbital setulae in 4 pairs of rows, the two upper ors longer than the lower ones, first pair inclinate and the others posteriorly directed; ocellar triangle long; ocellar setae parallel and forward directed; internal orbital seta long, parallel and divergent; external orbital seta with about half the length of the internal; third antennal segment rounded and minutely pubescent; arista long and short pubescent; gena shorter with setae; vibrissa strong and short.

Thorax. Acrostichals in 10 rows, pre-sutural pair differentiated; two postsutural dorsocentral setae; two notopleural setae; one supra-alar; one intra-alar; one post-alar weak; two prospronotals; two pairs of scutellar setae, one sub basal and one apical, similar in size; four anepisternals with second upper one long and strong; katepisternum with small setae and one long katepisternal.

Legs. Fore tibia with one posterior supramedian seta. Mid tibia with two posterior setae inserted at middle third and one ventral apical seta. Hind tibia with one ventral apical seta.

Abdomen. Sternite 5 large with setae in all its extension (Fig. 3).

Terminalia. Epandrium with internal margin with a small median indentation and with long setae; cercal plate with 3-4 spines in the basal portion, eight lateral spines and long cilia in all extension; surstylus long, slightly curved with about four thick spines (Fig. 4). Hypandrium v-shaped (Fig. 5); aedeagus simple, long and tubular, ornamented with membranes at the basiphallus (Fig. 6); ejaculatory apodeme small, hammer-shaped, with weak spines at base (Fig. 7).

Female. Similar to male.

Ovipositor. Dorsal view: cerci with two setae (Fig. 8). Ventral view: ninth tergite with one pair of long setae; egg-guides well sclerotized; two pairs of spiracles (Fig. 9). Spermathecae long and thin (Fig. 10).

Puparium. General color orange-brown (Fig. 11).

Host-plant.

Centrosema virginianum . Oval gall on leaf rib. 2-5 pupae on each gall. (Fig. 12).

Distribution.

Bahamas, Guadalupe, Brazil (Rio de Janeiro).