Heptagenia, [440];

H. longicauda, [437]

Hessian-fly, parasites, [537]

Heterogamia, [222];

H. aegyptiaca, [220];

egg-capsule, [229]

Heterometabola, [158]

Heteromorpha, [158]

Heterophlebia dislocata, [427]

Heteropteryx grayi, [262]