Spiders certainly must look ferocious to the insects and other creatures they eat. But to many animals, spiders look delicious.
Description: Darkling beetles are about 18mm to 30mm (0.75 to 1,5in) long and an elongate oval in shape, that is black in color.The head contains notched eyes, thread-like antennae, and chewing mouth parts. The front wings are smooth and shiny, and the legs are long.eographic range: There are 100 species in the Western United States, and these Beetles are one of the most commonly seen insects in the Jornada Basin. Habitat: The darkling beetle is found in a variety of desert habitat s such as shrub lands, grasslands, and arroyos.
Adults are oval, yellowish brown to copper-colored beetles, 1/4 inch (6 mm) long, with 16 black spots arranged in three rows across their wing covers. They look like lady beetles (which are beneficial insects and should not be killed) so look for the distinctive larvae for proper identification.