Order: Diptera - Flies

Suborder: Brachycera - Brachyceran Flies

Infraorder: Cyclorrhapha - Cyclorrhaphan Flies

Zoosection: Aschiza - Aschizan Flies

Family: Syrphidae - Hover Flies

Subfamily: Eristalinae - Drone Flies and Allies

Tribe: Eristalini - Rat-tail Maggot Flies

Subtribe: Eristalina

Black-shouldered Drone Fly Eristalis dimidiata

Transverse-banded Flower Fly Eristalis transversa

Common Drone Fly Eristalis tenax

Subtribe: Helophilina

Narrow-headed Marsh Fly Helophilus fasciatus

Subfamily: Syrphinae - Typical Hover Flies

Tribe: Syrphini

Long-tailed Aphideater Complex Complex Eupeodes americanus

Zoosection: Schizophora - Schizophoran Flies

Zoosubsection: Acalyptratae - Acalyptrate Flies

Superfamily: Nerioidea

Family: Micropezidae - Stilt-legged Flies

Subfamily: Taeniapterinae

Rainieria antennaepes

Superfamily: Tephritoidea - Fruit, Signal, and Picture-winged Flies

Family: Tephritidae - Fruit Flies

Subfamily: Tephritinae

Tribe: Tephritini

Euaresta festiva

Zoosubsection: Calyptratae - Calyptrate Flies

Superfamily: Muscoidea - Muscoid Flies

Family: Scathophagidae - Dung Flies

Subfamily: Scathophaginae

Tribe Scathophagini

Golden Dung Fly Scathophaga stercoraria

Superfamily: Oestroidea - Bot Flies, Blow Flies, and Allies

Family: Tachinidae - Tachinid Flies

Subfamily: Tachininae

Tribe: Polideini

Hystricia abrupta

Infraorder: Orthorrhapha - Orthorrhaphan Flies

Superfamily: Asiloidea

Family: Asilidae - Robber Flies

Subfamily: Asilinae

Northeastern Hammertail Efferia aestuans

Subfamily: Dioctriinae

Tribe: Dioctriini

European Longhorn Robber Dioctria hyalipennis

Family: Bombyliidae - Bee Flies

Subfamily: Anthracinae

Tribe: Anthracini

Tiger Bee Fly Xenox tigrinus

Suborder: Nematocera - Nematoceran Flies

Infraorder: Bibionomorpha - Gnats and Allies

Superfamily: Sciaroidea - Fungus Gnats and Gall Midges

Family: Cecidomyiidae - Gall and Forest Midges

Subfamily: Cecidomyiinae - Gall Midges

Supertribe: Cecidomyiidi

Tribe: Asphondyliini

Subtribe: Schizomyiina

Oak Leaf Gall Midge Polystepha pilulae