Male: Smaller than female. Bodylength 1.8–2.3 mm. Forewing length 1.3–1.6
mm.Antenna with numerous setae on flagellar segments,more setose than that of
female. The significant difference between female and male lies in the pattern of stripes
on metasomaltergites, which are often paler and less extensive than that of female
(Fig. 1a). Gt7
shorter than other metasomaltergites by comparison, and markings on
it reduced to one black spot. Genitalia protruding in dorsal view.