Guide to the Insects of Connecticut

Guide to the Insects of Connecticut

Aquatic Insects in New York State

A Study Conducted at the Entomologic Field Station, Ithaca, N. Y., Under the Direction of Ephraim Porter Felt

Aquatic Insects in New York State

A Study Conducted at the Entomologic Field Station, Ithaca, N. Y., Under the Direction of Ephraim Porter Felt

Study Of The Wings Of The Tenthredinoidea

A Superfamily Of Hymenoptera

Guide to the Insects of Connecticut

Guide to the Insects of Connecticut

Aquatic Insects in New York State

A Study Conducted at the Entomologic Field Station, Ithaca, N. Y., Under the Direction of Ephraim Porter Felt

Aquatic Insects in New York State

A Study Conducted at the Entomologic Field Station, Ithaca, N. Y., Under the Direction of Ephraim Porter Felt

Study Of The Wings Of The Tenthredinoidea

A Superfamily Of Hymenoptera