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.
1 Palembus dermestoides or Ulomoides dermestoides, known as peanut beetle, cancer beetle, or asthma beetle, is eaten in Argentina where it is thought to be a treatment for cancer, asthma, and other illnesses.n English, darkling is a more or less literal translation of tenebrio, meaning dweller in dark. Many species do inhabit dark places, but there are exceptions; for example, many species of Tenebrionidae in genera such as Stenocara and Onymacris are active by day and inactive at night.