Insect Directory

4959 species across 37 orders

Diptera

Giant Robber Fly

Promachus hinei

25-35 mm
Diptera

Giant Robber Fly

Promachus fitchii

20-35 mm
Diptera

Giant Robber Fly

Promachus yesonicus

25-35 mm
Diptera

Giant Robber Fly

Promachus gigas

25-40 mm
Diptera

Giant Tachinid Fly

Tachina grossa

12-18 mm
Diptera

Giant Western Crane Fly

Holorusia hespera

35-45 mm body length
Diptera

Giant Wood Hoverfly

Temnostoma vespiforme

14-18 mm
Diptera

Glacier Black Fly

Prosimulium alpestre

2-4 mm body length
Diptera Data Deficient

Glacier Midge

Diamesa steinboecki

3-5 mm
Diptera

Glacier Midge

Diamesa bohemani

4-7 mm
Diptera

Glossina Austeni Tsetse Fly

Glossina austeni

7-10 mm
Diptera

Golden Dung Fly

Scathophaga stercoraria

7-10 mm
Diptera

Golden Tachinid Fly

Archytas marmoratus

10-14 mm
Diptera

Golden-backed Snipe Fly

Chrysopilus thoracicus

8-12 mm
Diptera

Golden-tailed Hoverfly

Chrysotoxum cautum

10-14 mm
Diptera

Golubatz Fly

Simulium colombaschense

3-5 mm
Diptera

Great Pied Hoverfly

Volucella bombylans

12-16 mm
Diptera

Greater Bee Fly

Bombylius canescens

10-14 mm
Diptera

Green Bottle Fly

Lucilia sericata

10-14 mm
Diptera

Green Chironomid

Tanytarsus pallidicornis

3-5 mm
Diptera

Greenhead Horse Fly

Tabanus nigrovittatus

12-15 mm
Diptera

Gypsy Moth Tachinid

Compsilura concinnata

7-10 mm
Diptera

Hairy Maggot Blow Fly

Chrysomya rufifacies

9-12 mm
Diptera

Hanging Thief Robber Fly

Diogmites platypterus

15-22 mm
Diptera Endangered

Hawaiian Picture-wing Fly (Grimshawi)

Drosophila grimshawi

4-6 mm
Diptera Endangered

Hawaiian Picture-wing Fly (Heteroneura)

Drosophila heteroneura

5-7 mm
Diptera Endangered

Hawaiian Picture-wing Fly (Silvestris)

Drosophila silvestris

4-6 mm
Diptera

Heath Bee Fly

Bombylius minor

7-10 mm
Diptera

Heineken Hoverfly

Rhingia campestris

9-12 mm
Diptera

Hessian Fly

Mayetiola destructor

2-4 mm
Diptera

High-altitude Hover Fly

Platycheirus alpinus

6-9 mm body length
Diptera

High-altitude Midge

Diamesa latitarsis

2-4 mm body length
Diptera

Horn Fly

Haematobia irritans

3-5 mm
Diptera

Horn-faced Marsh Fly

Dictya umbrarum

4-7 mm
Diptera

Hornet Hoverfly

Volucella zonaria

18-22 mm
Diptera Near Threatened (declining in northern Europe)

Hornet Robber Fly

Asilus crabroniformis

18-28 mm
Diptera

Horse Fly

Tabanus bovinus

20-25 mm
Diptera

Horse Stomach Bot Fly

Gasterophilus intestinalis

12-16 mm
Diptera

Hover Fly

Syrphus ribesii

10-13 mm
Diptera

Hoverfly

Episyrphus balteatus

7-12 mm
Diptera

Hump-backed Fly

Megaselia scalaris

2-3 mm
Diptera

Indian Sand Fly

Phlebotomus argentipes

2-3 mm
Diptera

Indian Tse Tse-like Fly

Hippobosca maculata

7-9 mm
Diptera

Inland Floodwater Mosquito

Aedes vexans

4-7 mm
Diptera

Intermedia Sandfly

Lutzomyia intermedia

2-3 mm
Diptera

Japanese Beetle Tachinid

Istocheta aldrichi

5-7 mm
Diptera

Japanese Encephalitis Mosquito

Culex tritaeniorhynchus

4-5 mm
Diptera

Japanese Robber Fly

Cophinopoda chinensis

20-30 mm
Diptera

Japanese Soldier Fly

Ptecticus tenebrifer

10-14 mm
Diptera

Kite-tailed Robber Fly

Tolmerus atricapillus

10-16 mm
Diptera

Korean Malaria Mosquito

Anopheles sinensis

4-5 mm
Diptera

Latrine Fly

Fannia scalaris

5-7 mm
Diptera

Lesser Cattle Grub

Hypoderma lineatum

11-13 mm
Diptera

Lesser House Fly

Fannia canicularis

5-7 mm
Diptera

Log Miner Midge

Stenochironomus hilaris

5-8 mm
Diptera

Long Hoverfly

Sphaerophoria scripta

8-12 mm
Diptera

Long-legged Fly

Dolichopus ungulatus

5-7 mm
Diptera

Long-legged Fly

Condylostylus patibulatus

4-6 mm
Diptera

Long-Palped Crane Fly

Dicranota bimaculata

8-12 mm
Diptera

Long-snouted March Fly

Bibio lanigerus

8-11 mm
Diptera

Long-winged Fungus Gnat

Macrocera stigma

5-8 mm
Diptera

Longipalpis Sandfly

Lutzomyia longipalpis

2-3 mm
Diptera

Louse Fly

Hippobosca equina

7-8 mm
Diptera

Louse Fly

Crataerina pallida

5-7 mm
Diptera

Lovebug

Plecia nearctica

6-9 mm
Diptera

Lutzomyia Sand Fly (Whitmani)

Lutzomyia whitmani

2-3 mm
Diptera

Maculipennis Complex Mosquito

Anopheles maculipennis

4-6 mm
Diptera

Mango Fruit Fly

Ceratitis cosyra

5-7 mm
Diptera

March Fly

Bibio marci

10-13 mm
Diptera

Maritime Long-legged Fly

Aphrosylus praedator

3-5 mm
Diptera

Mediterranean Fruit Fly

Ceratitis capitata

4-6 mm
Diptera

Melas Malaria Mosquito

Anopheles melas

3-5 mm
Diptera

Melon Fly

Zeugodacus cucurbitae

6-8 mm
Diptera

Merus Malaria Mosquito

Anopheles merus

3-5 mm
Diptera

Mexican Cactus Fly

Copestylum mexicanum

12-18 mm
Diptera

Midge

Chironomus plumosus

8-12 mm
Diptera

Midge Gall Fly

Asphondylia sarothamni

2-4 mm
Diptera

Minimus Malaria Mosquito

Anopheles minimus

3-4 mm
Diptera

Montane Crane Fly

Tipula montana

12-18 mm body length
Diptera

Mosquito

Aedes aegypti

4-7 mm
Diptera

Mountain Dance Fly

Empis pennipes

5-8 mm body length
Diptera

Mountain Fungus Gnat

Boletina alpina

4-6 mm body length
Diptera

Mountain Hover Fly

Arctophila superbiens

10-14 mm body length
Diptera

Mountain Long-legged Fly

Dolichopus alpinus

4-6 mm body length
Diptera

Mountain Midge

Deuterophlebia coloradensis

3-5 mm
Diptera

Mountain Net-Winged Midge

Blepharicera capitata

7-11 mm
Diptera

Mountain Prosimulium

Prosimulium mixtum

2-4 mm
Diptera

Mountain Robber Fly

Machimus rusticus

12-18 mm body length
Diptera

Mydas Fly

Mydas clavatus

25-30 mm
Diptera Data Deficient

Mydas Fly

Gauromydas heros

40-60 mm body
Diptera

Myiasis-Causing Flesh Fly

Wohlfahrtia vigil

10-14 mm
Diptera

Narcissus Bulb Fly

Merodon equestris

10-15 mm
Diptera

Narrow-banded Hoverfly

Meliscaeva auricollis

7-10 mm
Diptera

Narrow-winged Bee Fly

Systoechus vulgaris

7-10 mm
Diptera

Natal Fruit Fly

Ceratitis rosa

4-6 mm
Diptera

Neavei Black Fly

Simulium neavei

2-3 mm
Diptera

Neotropical Robber Fly

Ommatius orenoquensis

10-15 mm
Diptera

Neotropical Robber Fly

Mallophora ruficauda

20-30 mm
Diptera Not Evaluated

New Caledonian Monarch Fly

Bactrocera umbrosa

7-10 mm
Diptera

New Zealand Glowworm

Arachnocampa luminosa

30-40 mm (larvae)