American Cockroach
(Periplaneta americana)
25 - 40 mm
German Cockroach
(Blattella germanica)
12 - 15 mm
Oriental Cockroach
(Blatta orientails)
17 - 30 mm
Cricket
(Achets domesticus)
12 - 20 mm
Biscuit Beetle
(Stegobium paniceum)
2 - 4 mm
Cigarette Beetle
(Lasioderma serricorne)
2 - 4 mm
Woodworm
(Anobium punctatum)
4 mm
Lesser Grain Borer
(Rhizoperha dominica)
2.3 - 3 mm
Saw Toothed Grain Beetle
(Oryzaephilus surinamenis)
2.5 - 3.5 mm
Merchant Grain Beetle
(Oryzaephilus mercator)
2.5 - 3.5 mm
Confused Flour Beetle
(Tribolium confusum)
3 - 4 mm
Red Rust Flour Beetle
(Tribolium castaneum)
2.5 - 4.5 mm
Flat Grain Beetle
(Cryptolestes ferrugineus)
1.5 - 2.5 mm
Powder Post Beetle
(Lyctus brunneus)
4.5 mm
Mealworm Beetle
(Tenebrio molitor)
14 - 16 mm
Cadelle
(Tenebroides mauritancius)
15 - 18 mm
Rice Weevil
(Sitophilus oryzae)
2 - 3.5 mm
Grain Weevil
(Sitophilus granarius)
3 - 4 mm
Dried Bean Weevil
(Acanthoscelides obtectus)
3.5 mm
Khapra Beetle
(Trogoderma granarium)
2 - 3 mm
Fur Beetle
(Attagenus pellio)
4.5 - 7 mm
LarderBeetle
(Dermestes lardarius)
7 - 9 mm
Carpet Beetle
(Anthrenus verbasci)
1.5 - 4 mm
Copra Beetle
(Necrobia rufipes)
3.5 - 7 mm
Globular Spider Beetle
(Gibbium spp)
2 - 3 mm
Golden Spider Beetle
(Niptus hololeucus)
3 - 4.5 mm
Australian Spider Beetle
(Ptinus tectus)
2.5 - 4 mm
Ground Beetle
(Pterostichus nigrita)
12 mm
Devils Coach Horse
(Staphylinus olens)
30 mm
Black Ant
(Lasius niger)
2 - 3 mm
Pharaoh's Ant
(Monomorium pharaonis)
2 mm
Common Wasp
(Vespula vulgaris)
10 - 20 mm
Cat Flea
(Ctenocephalides felis)
2 - 3 mm
Bed Bug
(Cimex lectularius)
4 - 6 mm
Dog Flea
(Ctenocephalides canis)
2 -3 mm
Flour Mite
(Acarus siro)
0.5 mm
Silverfish
(Lepisma saccharina)
15 - 20 mm
Earwig
(Forficula auricularia)
15 - 20 mm
Brown House Moth
(Hofmannophila pseudospretella)
7 - 10 mm
Tobacco Moth
(Ephestia elutella)
8 - 10 mm
Indian Meal Moth
(Plodia interpunctella)
8 - 10 mm
Mediterranean Flour Moth
(Ephestia kuehniella)
10 - 14 mm
Warehouse Moth
(Ephestia cautella)
8 - 10 mm
White Shouldered House Moth
(Endrosis sarcitrella)
7 - 9 mm
Mosquito
(Aedes)
8 - 10 mm
Sewage Fly
(Psychoda alternata)
2 mm
Bluebottle
(Calliphora erythrocephala)
11 mm
Cluster Fly
(Pollenia rudis)
6 mm
Fruit Fly
(Drosophila)
2 mm
Greenbottle
(Lucilia caesar)
11 mm
Common House Fly
(Musca domestica)
6 mm