Calyptratae Fly

Tachinidae? Photo © Michael Plagens

Many fly species alight in the sushine in order to regulate body temperature.

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Blow Fly

A blow fly, family Calliphoridae, © Michael Plagens

The Oriental Latrine Fly is a marvelously irridescent fly of jade and gold. The larva, or maggot, developes within corpses or carrion. Such is the economy of Nature.

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Blow Fly #2

A different blow fly species, family Calliphoridae, © Michael Plagens

This one is deep cobalt blue. The larva, or maggot, lives in garbage or carrion, maybe of a different condition or type. Such is the variety in Nature.

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Tachinid Fly

a beneficial tachinid fly © Michael Plagens

These flies visit flowers or alight on leaves, but never gather at garbage or around kitchens. Many species large and small, but most with bristles.

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Flesh Fly

possible Sarcophagidae, photo © Michael Plagens

Thorax with longitudinal striping. Red eyes.

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Acalyptrate Fly

A small, unknown fly species © Michael Plagens

Small diptera warming itself in the sunshine. Name and biology a mystery.

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Muscoid Fly?

possible Muscoid Fly, photo © Michael Plagens

Three dark gray spots on each wing might be a unique trait. Red eyes.

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Tabanid Fly

Tabanidae: Chrysops, photo © Michael Plagens

Relatively small horse fly with black, patent leather look. Females bite and take blood.

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Grey and White Fly

Boldly marked dipteran from Kitale Photo © Michael Plagens

Several, not so closely related flies have this same bold pattern.

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Root-Maggot Fly

this might be a Anthomyiidae © Michael Plagens

This brightly marked, red-eyed fly was alighted on vegetation in a garden. Eldoret.

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Root-Maggot Fly

Root-maggot fly, Anthomyiidae, photo © Michael Plagens

Four examples of Anthomyiidae of perhaps four different species?

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Root Maggot Fly

Root-Maggot Fly, Anthomyiidae, © Michael Plagens

Yet another fly with v. large eyes and with a black and white pattern on prothorax.

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Gall Midge

Gall Midge Fly, Cecidomyiidae, © Michael Plagens

My guess (SWAG) is that this shoot gall growth is the result of feeding larvae of a Cecidomyiidae, a mosquito-like fly.

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Robber Fly

Robber Fly at Taita Hills, Asilidae, photo © Michael Plagens

Robber flies are partial to alighting on exposed, smooth rock surfaces as well as man-made concrete.

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Robber Fly

Robberfly, Asilidae, photo © Michael Plagens

Active, predatory flies that often alight on rocks or logs in the sunshine. Catches other flying insects, raptor-like.

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Robust Robber

A robust robber fly, Asilidae, photo © Michael Plagens

This robber has captured a long-legged nematoceran fly. Notice the very large eyes.

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Stalk-eyed Fly

A Stalk-eyed Fly, Diopsidae, © Michael Plagens

Males are showy with their strutting behavior on sunny leaves. Only about 8mm long. Eyes and antennae on the stalks!

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Stalk-eyed Fly #2

Diopsidae with black and white maculations fly photo © Michael Plagens

Bizzare-looking fly with its eyes spaced wide apart on long stalks. This one has black and white markings on the pronotum and the head is red.

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Marsh Fly

Snail-killing Marsh Fly, Sciomyzidae, © Michael Plagens

The immature stage of this fly, a worm-like larva, is a predator of snails. Adults sit on sunny vegetation.

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Fruit Fly ?

adult fruit fly in display mode photo © Michael Plagens

Males of adult fruit flies display on a leaf or other surface. This one has unmarked wings. Wingspan 5 mm.

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Fruit Fly #2

A picture-wing fruit fly, f. Tephritidae, photo © Michael Plagens

Male fruit flies like this one often dance around on an exposed surface to attract a mate.

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Fruit Fly #4

Culex sp. © Michael Plagens

Wings are marked with dark bands. Similar to #2.

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Fruit Fly #5

Tephritidae fruit fly at Kakamega photo © Michael Plagens

Many species of wild fruits among the forest trees and shrubs means many kinds of fruit flies.

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Signal Fly ?

a Tephritoidea fly at dung, © Michael Plagens

Many species of fruit fly can be found visiting dung. This one has no wing markings.

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Long-Legged Fly

Dolichopidae run and dance on leaf surfaces. Photo © Michael Plagens

Most Dolichopodidae are iridescent blue or green and have long, slender legs. Often seen on leaves in the sunshine.

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Long-legged Fly #2

Dolichopodidae, © Michael Plagens

Dolichopodidae move about fast on long, slender legs. This species has marked wings. Less than 5 mm long.

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Hover Fly

A Syrphidae hover fly photo © Michael Plagens

Hover Flies, like bees, visit flowers, and presumably can be agents of pollination.

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Hover Fly

adult syrphidae, Tribe Eristalini, © Michael Plagens

Flies that strongly resemble bees and often visit flowers. Many species classified as Syrphidae. This one has stripes on thorax dorsum.

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Hover Fly

A hover fly, f. Syrphidae, photo © Michael Plagens

Adult hover flies are frequent visitors at blooming plants where they take nectar.

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Syrphid Larva

larval form of a syrphid fly photo © Michael Plagens

Legless and slug-like larva lives on plant surfaces where aphids are present. Captures and feeds on aphids.

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Bee Fly

A Non-Biting Midge, Chironomidae, © Michael Plagens

Bee Flies do not sting and have one pair of wings instead of two. Often they hover above and then alight on bare soil.

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Skimmer Fly

what family does this fly belong to? Photo © Michael Plagens

This little fly, about 3 mm, looks like a kind of Hover Fly. Its peculiar morphology might be a clue to a dipterist.

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March Fly

jet black Bibionidae with huge eyes © Michael Plagens

The eyes are very large, filling the dorsum of the head. Enlarged pronotum. Observed at Kitale.

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Moth Fly

A Moth Fly, family Psychodidae, © Michael Plagens

These small flies look like tiny moths with feathery wings held flat when sitting. White spotting. Usually near wastewater drainage.

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Mosquitoes

Culex sp. © Michael Plagens

When traveling in much of Africa it is wise to use bed nets and repellants against mosquitoes which are vectors for a variety of serious diseases.

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Non-Biting Midge

Chironomidae species © Michael Plagens

Delicate flying insect resembles a mosquito. Immatures are often known as blood­worms.

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Midge

A Non-Biting Midge, Chironomidae, © Michael Plagens

Chironomid flies look like mosquitoes but do not bite and have wings w/o markings. Adults emerge from water and generally do not feed.

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Crane Fly

A crane fly, f. Tipulidae, photo © Michael Plagens

Crane flies are so named for their extraordinarily long, slender legs.

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Fragment Fly

A possible crane fly, f. Tipulidae, photo © Michael Plagens

Crane fly with peculiar perching behavior that makes it look like a dried leaf fragment.

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Kenya Natural History

Copyright Michael J. Plagens, page created 13 April 2012
updated 24 July 2021.

Disclaimer: By no means am I an expert on the Natural History of Kenya. I am a novice exploring this part of the World. By creating a page for the species as I encounter them I am teaching myself. If I make errors I hope that a kind person with expertise will let me know so that I can make corrections.