True Bug

Booklouse

Psocoptera (various genera)

Ophionid Wasp (Short-tailed Ichneumon Wasp)

Ophion luteus (or related species in the genus Ophion)

False Black Widow (Cupboard Spider)

Steatoda grossa

Household Casebearer (or Plaster Bagworm)

Phereoeca uterella

Booklouse

Liposcelis spp.

Ichneumon Wasp (Short-tailed)

Family Ichneumonidae (Subfamily Ophioninae/Netelia)

Mosquito

Culicidae

Mosquito

Culicidae

Drain Fly

Psychodidae (subfamily Psychodinae, sometimes called 'moth flies')

Rat-tailed Maggot

Eristalis tenax (larval form)

Camel Cricket, Cave Cricket, Spider Cricket

Ceuthophilus spp. (or other genera within Rhaphidophoridae)

Household Casebearer (often referred to as Plaster Bagworm or Case-bearing Clothes Moth larva)

Phereoeca uterella or Tinea pellionella

Household Casebearer (often confused with Plaster Bagworm)

Phereoeca uterella (formerly Phereoeca allutella) or Phereoeca praecox

Snow Flea

Hypogastrura nivicola

Robber Fly

Family Asilidae (various genera and species)

Rat-tailed Maggot

Eristalis tenax (larva)

Broad-nosed Weevil or a type of "true" weevil

Curculionidae (general family name, specific genus/species would require closer examination)

Katydid (likely a true katydid or a bush katydid)

Family Tettigoniidae (specific genus and species indeterminable from image)

Camel Cricket

Ceuthophilus spp.

Booklouse

Psocoptera (various genera and species)

Looper Caterpillar (likely a species of Cabbage Looper or similar)

Trichoplusia ni (Cabbage Looper is a very common species with this appearance, though exact species identification witho...

Camel Cricket, Cave Cricket, Spider Cricket

Various genera within Rhaphidophoridae, such as Ceuthophilus or Tachycines

False Blister Beetle

Likely Oxycopis sp. (genus within Oedemeridae)

Indianmeal Moth Larva, Mealworm (general term for beetle larvae)

Plodia interpunctella (for Indianmeal Moth larva), Tenebrio molitor (common mealworm species)

Cave Cricket / Camel Cricket

Various genera within Rhaphidophoridae, e.g., Ceuthophilus

Cave Cricket / Camel Cricket / Spider Cricket

Rhaphidophoridae (family)

Camel Cricket / Cave Cricket / Spider Cricket

Various species within the family Rhaphidophoridae (e.g., Ceuthophilus species are common in North America)

Snow Flea

Hypogastrura nivicola

Crane Fly

Tipula species (or other genera within Tipulidae)

Aphid

Aphididae (a family, not a single species, as specific identification from this image is not possible)

Drain Fly Larva (sometimes improperly called Moth Fly Larva)

Clogmia albipunctata (most common urban species)

Crane Fly

Tipulidae (various genera and species within the family)

Fungus Gnat

Bradysia spp. (though various genera exist in the Sciaridae and Mycetophilidae families)

Hoverfly (also known as Flower Fly or Syrphid Fly)

Syrphidae (family-level identification based on image, specific genus/species not discernible)

Fruit Fly Larva (Maggot)

Drosophila melanogaster (typical, but species may vary)

Fruit Fly

Drosophila melanogaster

Lovebug

Plecia nearctica

Drone Fly (also Rat-tailed Maggot for larva)

Eristalis tenax

Black Fly

Simulium (various species)

Drain Fly Larva (also known as Moth Fly Larva or Sewer Gnat Larva)

Psychoda spp. / Clogmia albipunctata

Fruit Fly

Drosophila melanogaster

Drain Fly (also known as Moth Fly, Sink Fly, or Sewer Gnat)

Clogmia albipunctata (most common species) or Psychoda spp.