miastor

[Gr. miastōr =a guilty wretch, one who brings pollution; miaino =to stain to defile.] Entom.: A remarkable genus of the dipterous family Cecidomyide, created in 1860 by Dr. Wagner, profe or in the University of Kasan. The larve live under the bark of trees, and develop organs similar to ovaries, in which larvæ are produced; these, having literally devoured their parents, break out, leaving nothing but the empty skin. This proce is repeated during the autumn, winter, and spring. In the summer the last generation undergo a change to the pupa state, and from the pupa perfect males and females emerge; the latter, after impregnation, deposit their eggs, and the larvæ produced commence a fresh series of organic broods. miaul