Insect morphology least three different positions: prognathous, opisthognathous, and hypognathous. In species with prognathous articulation, the head is positioned vertically aligned with the body, such as species of Formicidae; while in a hypognathous type, the head is aligned horizontally adjacent to the body. An opisthognathous head is positioned diagonally, such as species of Blattodea and some Coleoptera. The mouthparts vary greatly between insects of different orders, but the two main functional groups are mandibulate and haustellate. Haustellate mouthparts are used for sucking liquids and can be further classified by the presence of stylets, which include piercing-sucking, sponging, and siphoning. The stylets are
Insect collecting wing structure that otherwise would be hidden. At least the date and place of capture should be written or computer printed onto a piece of paper or card transfixed by the pin. This is called a data label. Rare insects, or those from distant parts of the world, may also be acquired from dealers or by trading. Some noted insect collections have been sold at auction. "Pokémon" creator Satoshi Tajiri's childhood hobby of insect collecting is the inspiration behind the popular video game series. Picture Guide series For college students. Out of date but very useful for beginners. Insect collecting