Fire ants have a copper brown head and thorax with a darker abdomen. Worker ants are blackish reddish and they are about 2 – 6 mm.

Harvester ants are orange to red or brownish-black. They are 4.7 – 11.5 mm.

Argentine ants are smaller and can easily squeeze through small cracks. They are 1.6 – 2.8 mm.

Odorous house ants are brown to black in color and 1.5 – 3.2 mm in size. When crushed, they leave an odor.

Silverfish are nocturnal insects 13 – 25 mm in size and have a tapering abdomen. It has two long cerci and one terminal filament at its end.

The crane fly looks like a mosquito with a slender body and long legs. The wingspan is 1 to 6.5 cm.

Adult bed bugs are reddish brown, wingless and resemble an apple seed. Younger bugs will be smaller and translucent whitish-yellow.

Wolf spiders range in body size (minus legs) from 10 – 35 mm. They have eight eyes arranged in three rows. Wolf spiders rely on camouflage and their color usually blends with their environment.

House spiders are small, less than 0.6 cm. They are brown and some have brown or white spotting on the abdomen.

common spiders in las vegas

common spiders in las vegas : Female the black widow spider are usually dark brown or shiny black with a red or orange hourglass on the underside of the abdomen. Some may have red spots or no marking. Males have red or red and white markings on the upper side of the abdomen. Their bodies (minus legs) are 3 – 10 mm.

The arizona bark scorpion is small and light brown and 7 – 8 cm.

The boxelder bug is about 13 mm long and dark brown or black. They have red wing veins and markings.

Earwigs have forcep-like pincers on their abdomen end. They are mainly nocturnal.

House crickets are gray or brownish and 16 – 21 mm.

Yellow jacket hornets are 12 mm long with alternating bands on the abdomen.

Paper wasps are most distinguishable by their umbrella shaped nests. They are brownish with yellow markings or reddish markings. They are 16 – 20 mm.

Fungus gnats are small, dark and about 2 – 8 mm.