Comparative Between Tarantula Lasiodora parahybana (Mello-Leitão,1917) and Solifuges Galeodes arabs (C.L. Koch 1842)Spiders

Spiders occur in a large range of sizes. The smallest, are less than 0.37 mm in body length. The largest and heaviest spiders occur among tarantulas, which can have body lengths up to 90 mm. Tarantula (Lasiodora parahybana), It belong to Family; Theraphosidae, Suborder; Mygalomorphae, Order; Araneae and Class; Arachnida. The body size from 7Cm to 15Cm and weight more than 100 grams. Has a large, bulky body, which is divided into two segments and bears two stout chelicerae, with venom glands. Solifuges ( Galeodes arabs ), it belong to Family; Galeodidae, Order; Solifugae, and Class; Arachnida. Solifugae are moderately small to large arachnids (a few millimeters to several centimeters in body length), with the larger species reaching 12?15 cm in length, including legs, lack venom glands, spinnerets and silk, and do not spin webs. The body is divided in two parts: a prosoma (carapace) and the opisthosoma (abdomen).