Biting Midges or Ceratopogonids Midges: General Description Biting midges are small flies (0.5–5.0 mm long; an average of 1.6 mm) and belong to the order Diptera. Adult biting midges are usually distinguished by their dark color (brown or black) and the absence of simple eyes. Simple eyes are absent. Credit: Slama, Babba. and Chaker Culicoides spp. The antennae are densely…
Head Louse: Identification The lengths of the female is 3 mm and 2 mm in the male.· The adult is about the size of a sesame seed, has 6 legs, and is tan to grayish-white. The nymph looks like an adult. Eggs (also called nits) are 0.8 mm by 0.3 mm, oval, and usually yellow to white. Life Cycle…
Body Louse: Identification Adults are 2.3–3.6 mm in length. The adult is about the size of a sesame seed, has 6 legs (each with claws), and is tan to grayish-white. Eggs (also called nits) are 0.8 mm by 0.3 mm, oval and usually yellow to white. Life Cycle and Common Characteristics Body louse has three stages: egg, nymph, and adult.…
Stable Fly: General Description Stable fly resembles the house fly with 4- to 7-mm long, generally gray with a greenish-yellow sheen, four black stripes on the thorax, the outer two of which are broken, and black blotches or checkering on the abdomen. Unlike the housefly, where the mouth part is adapted for sponging, the stable fly mouthpart has a piercing/sucking…
Sand Fly, No-See-Ums, or Black Gnat: General Description Sand flies follow the Psychodidae family, and they are small flies that do not exceed 5 mm in length. This family includes several hundred species. The adult is 2-3 mm long and dull in color. The wings have a special shape and have nine or more long veins. The body is covered…
Phorid Fly or Humpbacked Fly: General Description Adult phorid flies are 0.5–5.5 mm long with an enlarged thorax that gives them a characteristic humpbacked appearance. The hind femora are flattened, and the major bristles of the head and legs are feathered. They run in short, quick bursts and are usually found in damp places near larval habitats. Credit: Charles Schurch…
Little House Fly: General Description Adults are smaller (3.5–6 mm long) than the common housefly. They are smaller than house flies and slenderer in appearance. Their fourth wing veins extend directly to the edge of the wings instead of curving sharply upward, as in house flies. The white-bordered eyes meet above in the male. In females, the eyes do not…
House Fly: General Description The house fly adult length is about 6 to 7 Female adults are usually larger than males. The female can be distinguished from the male by the relatively wide space between the eyes (in males, the eyes almost touch). The head of the adult has reddish eyes and sponging mouthparts. The adult has…
Fungus Gnat (Dark-Winged): General Description Credit: Peter Rühr Credit: James Lindsey Fungus gnats are distinguished from fruit flies because of their darker They are usually less than 5 mm long and short-lived gnats. These flies are sometimes confused with drain flies. The adults are 2–8 mm long. Larvae are slender and lack legs. Larvae are white (except for a black head),…
Fruit Fly, Drosophila Fly, Lesse Fruit Fly, or Vinegar Fly Fly: General Description Credit: André Karwath Credit: André Karwath Credit: André Karwath Adults are 4mm long, yellow-brown, with brick-red eyes and transverse black rings across the abdomen. The front portion of the body is tan, and the rear portion is Females are about 2.5 mm long; males are slightly smaller with…
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