Fly

Booklouse

Liposcelis spp.

Booklouse

Psocoptera (various genera and species)

Booklouse (Psocid)

Liposcelis spp.

Fruit fly or Gnat (generic tiny fly)

Drosophila melanogaster or Sciaridae sp.

Drain Fly Larva (or Moth Fly Larva)

Psychoda species (Larva)

Drain Fly Larva (Moth Fly Larva)

Psychodidae family

Blow Fly (likely a Green Bottle Fly)

Likely Calliphora spp. or Lucilia spp. (e.g., Lucilia sericata, scientific name for common green bottle fly)

Moth fly larva (or Drain fly larva)

Psychodidae (Larva)

Drain Fly Larva (Moth Fly Larva)

Clogmia albipunctata (Family: Psychodidae)

Blow Fly (likely a Green Bottle Fly)

Likely Lucilia sericata or a closely related species within Calliphora or Phaenicia given the greenish/metallic sheen, i...

Moth fly (also known as Drain fly)

Psychodidae

Fruit fly or House fly pupa (casing)

Diptera (unidentified genus/species)

Fruit Fly (specifically Tephritid fruit fly)

Anastrepha spp.

Moth fly larva (Drain fly larva)

Psychodidae (larvae)

Ant-mimic fly (Thick-headed fly)

Physocephala sp.

Hister Beetle (Clown Beetle)

Histeridae family

American Carrion Beetle

Necrophila americana

Fly Larva (Maggot)

Brachycera (Suborder)

Human Lice (Head, Body, or Pubic)

Pediculus humanus or Pthirus pubis

Ground Beetle

Carabidae

Cockroach

Blattodea (Order, various species)

Louse (Head louse)

Pediculus humanus capitis

Thrips

Thysanoptera (Order name)

Red Flour Beetle

Tribolium castaneum

American Cockroach (droppings/frass)

Periplaneta americana

Smooth Spider Beetle

Gibbium aequinoctiale

Head louse (nits/eggs)

Pediculus humanus capitis

Maggots (Fly larvae)

Various species depending on the parent fly, e.g., Lucilia sericata (Common Green Bottle Fly), Calliphora vomitoria (Blu...

Human Head Louse

Pediculus humanus capitis

Bird Mite or Rodent Mite

Ornithonyssus sylviarum / Ornithonyssus bacoti

Head louse

Pediculus humanus capitis

Carpet Beetle

Anthrenus verbasci (typically)

Oriental Cockroach

Blatta orientalis

Thrips (specifically a species common in gardens/greenhouses)

Order Thysanoptera

Booklouse

Liposcelis spp.

Pubic Louse

Pthirus pubis

Booklice (Psocid)

Liposcelis spp.

Undetermined; potentially a Drain Fly (Moth Fly) based on typical indoor domestic finds

Psychodidae (family level identification)

Book louse (Booklice)

Liposcelis spp. (Common genus in homes)

American Cockroach

Periplaneta americana

Varied Carpet Beetle

Anthrenus verbasci

Bed Bug

Cimex lectularius