GENERAL:  multi-taxa

Maryland Biodiversity Project

Mid-Atlantic Invertebrate Field Studies (MAIFS)

ARACHNIDA:  spiders, mites, ticks, harvestmen, etc.

The Harvestmen of Maryland

HYMENOPTERA:  bees, wasps, ants

Bees of Howard County

LEPIDOPTERA:  butterflies, moths

Butterfly Species Lists for Popular Howard County Natural Areas

The Butterflies of Howard County, Maryland

ODONATA:  dragonflies, damselflies

Odonate (Damselflies & Dragonflies) Species Lists for Popular Howard County Natural Areas

Howard County Odonates (Photo Gallery)

Howard County Dragonflies & Damselflies (List and phenograms)

Checklists for Maryland/D.C. Odonates (Links for each Maryland county and
D.C.)

The Dragonflies and Damselflies of Maryland and the District of Columbia