Spiders Spiders (order Araneae) are air-breathing arthropods that have eight legs, and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms. Spiders are found...
Silverfish Its common name derives from the animal’s silvery light grey and blue color, combined with the fish-like appearance of its movements, while the scientific name indicates the silverfish’s diet of carbohydrates such as sugar or starches. Ecology...
Cockroaches There are about 4,500 species of cockroach, of which 30 species are associated with human habitations and about four species are well known as pests. Among the best-known pest species are the American cockroach, Periplaneta americana, which is about 30...
Powderpost beetle Life cycle Powderpost beetle larvae spend months or years inside wood while developing, feeding mainly on the starch content. Their presence is only apparent when they emerge as adults, leaving behind pinhole-sized openings, often called “shot...
Pavement ants or Slab ants Description The pavement ant is dark brown to blackish, and 2.5–4 mm long. Like other ants there are the workers, alates, and a queen. Alates, or new queen ants and drones, have wings, and are twice as large as the workers. The drone’s...
