Portal de Periódicos da CAPES

Topomyia (Topomyia) yongi, a new species of mosquito from peninsular Malaysia (Diptera: Culicidae)

1990; American Mosquito Control Association; Volume: 22; Issue: 3 Linguagem: Inglês

0091-3669

Ichiro Miyagi, Takako TOMA, Shnaji Ramalingam,

Insect Pest Control Strategies

A new species of mosquito, Topomyia (Topomyia) yongi is described from peninsular Malaysia. The male, male genitalia, female, pupa and larva are described in detail and illustrations of the male genitalia, pupa and larva are provided. This species is a rain forest mosquito and breeds in the leaf axils of Homalomena rostrata. spicuous patch of silver-colored scales dorsally a row of several setae on anterior side. Postpronotum covered with flat golden scales. Proepisternum covered with patch of silver-colored scales, with 1 seta. Paratergite with golden scales. Postspiracular area, prealar knob, mesokatepister- num and mesanepimeron with dense silver scales; prespi- racular area with 3 fme setae. Legs: Coxae and trochanters covered with silver-colored scales; 2,3 coxal setae present. Remaining parts of legs covered with small dark scales except for ventral pale scales extending from femora to tibiae. Ungues all small, simple and equal in length. Wing: Brown-scaled. Squame and plume scales covering veins. Cell R2 about 3.1 times length of vein R2+3. Anal vein eng upper calypter bare. Halter: Capitellum with dark scales. Abdomen: Terga I- VIII covered with dark brown scales; sterna II-VIII cov- ered with flat golden scales. Genitalia (Fig. lB-F): Tergum IX broad throughout with poorly defined lobes; a submedian strong flat spine arises from each lobe; with 2 elongate and pointed setae lateral to the spine. Gono- coxite narrow at base, broader distally; ventrally covered with scales and a few setae; lateral 0.67 highly sclerotized and bearing many long bent setae; center of dorsal surface with cluster of bent setae. Gonostylus (Gs) long, base broad with a patch of tiny setae on outer margin, middle narrow distal 0.25 broad; bearing a short terminal spine (gonostylar claw) and many fine setae. Dorsal lobe of claspette (Cl) composed of a broad rod-like stem and a narrower, elongate and pointed filament. Ventral lobe setaceous and bearing 2 large setae. Paraproct fairly long and pointed. Female. Wing about 2.56 mm. Proboscis about 1.60 mm. Forefemur about 1.82 mm. Abdomen about 1.58