Photo Courtesy of Jason Williams
Photo Courtesy of Jason Williams

Medium size mosquito

Proboscis: dark-scaled, with some pale scales on ventral surface;

Palpi: short, dark.

Head: Occiput clothed with narrow curved yellowish-white to golden-brown scales and dark-brown erect forked scales dorsally, with broad yellowish-white scales laterally.

Thorax: Integument of scutum light brown to reddish brown; scutum clothed with fine narrow curved golden-brown scales, paler on anterior and lateral margins and on the prescutellar space; a pair of small pale-scaled submedian spots usually present near middle of scutum. Scutellum with narrow pale-golden scales and brown setae on the lobes. Pleura with small patches of broad pale scales.

Abdomen: 1st tergite with a median patch of dark bronze-brown scales; remaining tergites dark bronze-brown, each with a basal band of white to yellowish-white scales. Venter mostly pale-scaled.

Legs: dark-scaled with bronze to metallic blue-green reflection, posterior surface of femora and tibiae pale; femora and tibiae tipped apically with pale scales. Tarsi entirely dark or with faint brownish-yellow bands.

Wings: length 4.0 to 4.4 mm. scales narrow, dark.

Bionomics: Larvae found in ditches, pools of streams, woodland pools, and artificial containers. They reach greatest abundance in the Spring and early Summer…less numbers during late Summer and Autumn. Some consider them as troublesome biters, although others say they rarely bite man. Flight range 1 to 2 miles.

Medical importance: May transmit West Nile virus and Western Equine Encephalitis.