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eruciform
Eruciform (literally: "caterpillar-shaped") is the entomological term describing a certain class of shapes of insect larvae.
==Origin and application==
The word "eruciform" literally means "caterpillar-shaped" (from Latin "eruca", a caterpillar — confusingly, in Latin "Eruca" also was used as the name for a rape-like plant, but that has no clear connection to the current context).
One should not take the "caterpillar-shaped" description too seriously; there are many shapes of caterpillars besides the typical silkworm larva, and insect larvae of many shapes, not obviously caterpillar-like, are described as eruciform. Some, for example, are in fact shaped like certain other, straight, eruciform larvae, except that they are curved into a C-shape. These are called "scarabaeiform" because it is the typical form of the larvae of the ''Scarabaeidae''—the scarab beetles and their relatives. In contrast, larvae of the ''Curculionidae'' — the weevils — are also called "apodous eruciform", (literally meaning legless caterpillar-shaped; unlike scarab larvae, they do not have legs). This seems rather inconsistent, because commonly weevil larvae are almost as C-shaped as scarab larvae.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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