Arthropod Photographic Identification Website and
Entomological Consulting Service
The Mid-Atlantic Invertebrate Field Studies
(MAIFS) website provides a photographic
identification reference for the terrestrial and
fresh water invertebrates found within the
Mid-Atlantic Region.  MAIFS is also a Consulting
Service that provides expertise and field work on
the survey, identification and conservation of
terrestrial and fresh water invertebrates in
Maryland and the District of Columbia.
MAIFS clients include:

  • Conservation and Environmental Organizations -- surveys or evaluations of insects and other invertebrates

  • Federal Agencies -- surveys or evaluations of insects and other invertebrates

  • State/County Agencies -- surveys or evaluations of insects and other invertebrates

  • Environmental Consulting Firms -- targeted invertebrate surveys

  • Private industry -- endangered invertebrate surveys and evaluations -- and pest identification for
                                          pest control/management companies

  • Individuals -- identification of pest arthropods and/or the conservation of invertebrate biodiversity on their property
Mid-Atlantic Invertebrate
Field Studies (MAIFS)
MAIFS provides field surveys, identification, wildlife photography, advice and
analysis for:
dragonflies, damselflies, butterflies, stoneflies, tiger beetles, bees, ants, grasshoppers,
katydids, crickets, spiders, and most other arthropod groups;  federal and state endangered/threatened
arthropods;  Indicator species for freshwater wetland/terrestrial habitats and  analysis/identification of invasive or
pestilent arthropods.
What is new:


13-December-2019 -- Added download (PDF file) of a table showing MD County & Washington D.C. dragonfly/damselfy records

12-December-2019 -- Updated photos of the old genus
Gomphus into Gomphurus, Hylogomphus, Phanogomphus and Stenogmphurus

05-December-2019 -- Updated Dragonfly & Damselfly records for Maryland and Washington D.C.

03-December-2019 -- Added photograph of the Bola Spider (
Mastophora timuqua) thanks to Bonnie Ott

02-December-2019 -- Added photographs of the caterpillar of the Double-toothed Prominent (
Nerice bidentata), an abnormal
                              colored Eastern Tailed-Blue female (
Cupido comyntas), a Painted Lady pupa (Vanessa cardus), the
                              caterpillar of the Interrupted Dagger Moth (Noctuidae -- Acronictinae --
Acronicta interrupta), the caterpillar of
                              the Angel (Apatelodidae:
Olceclostera angelica) and the caterpillar of the White Furcula (Notodontidae:
                              Furcula borealis)

01-December-2019 -- Added photograph of the nest and caterpillar of the Barberry Webworm (Pyralidae:
Omphalocera dentosa),
                              the Ichneumonid wasp cocoon (
Hyposoter species) and the adult and caterpillar of the White-marked Tussock
                              Moth (
Orgyia leucostigma)
Last update:  December 13, 2019