The male has a body length of 11.2 mm and a wing length of 10.1 mm. The head is dark greyish-brown, with a swollen, low, rounded tubercle on the vertex. The antenna and palpus are yellowish-brown, with the antenna consisting of seven elongate, cylindrical segments, especially the first one. The antenna extends slightly beyond the prescutal pit. Dorsal thoracic segments are uniformly dark greyish-brown to black, exhibiting a noticeable metallic blueish to greenish sheen. Pleurites are greyish-brown, with a less prominent metallic sheen. Coxae, trochanters, femora, and tibiae are greyish-brown, while the tarsi darken to black. The wings have a deep grey tinge, with no apparent stigma, and veins are greyish-brown. The halter has a greyish-brown stem and a pale greyish knob. The abdomen is generally dark greyish-brown to black, and tergites display a distinct metallic blueish to greenish sheen. The hypopygium features T9 in dark greyish-brown with a metallic sheen, while gonocoxites are dark brown with a pale, nearly membranous horizontal band around midlength. The distal margin of the tergite has a shallow irregular V-shaped concavity, and the sternite exhibits a broad and considerably deeper V-shaped concavity. Gonocoxites are fairly short, approximately equal in length to T9. The outer gonostylus is gently curved, broad at the base, and gradually narrows to a sharply pointed tip. The inner gonostylus is broad, fleshy, and leaf-shaped, slightly longer than the outer gonostylus. The interbase is highly developed, branching into two arms; the lower arm is broad and trapezoidal, forming a quadrate shield above the aedeagal complex with the opposing interbase’s lower arm. The upper arm has a prominent short, hooked process near its base, tapering gradually to a blunt tip. The aedeagal complex is somewhat low, saddle-shaped at the base, with the aedeagus not extending far past the upper arms of the interbase. The female is similar in size and coloration to the male. The ovipositor, including tergite and sternite, is dark greyish-brown, while the cercus and valve are a lighter brown. The cercus is long, mostly straight, with a rounded tip. The tip of the hypogynial valve reaches about half the length of the cercus and features a row of long, thick setae along the dorsal margin.