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wedge cell                                         (of hind wing). A cell in the posterior portion of the wing formed by two posterior forks of CuA and an anterior fork of AA. It  may also be referred to as the 2nd cubito-anal cell (the first being formed between the base of CuA and AA and the first posterior fork of CuA). This has been inappropriately called the “anal” cell, but it is formed mainly by elements of the cubitus.

wing pads                The undevelope wings seen in nymphs, they appear as two flattened pads on opposing sides of the abdomen.

wing venation 

workers                  Name given to a type of caste found in social insects, in Hymenoptera they are sterile females, in Isoptera they can be male or

female both of which are sterile.