Fly Control Charts

Table Summary of Fly Identification, Host Material, Adult Occurrence

and Life Cycle

House Fly
house flies


Identifying Characteristics: 1/4 inch long: dull gray with four stripes on the thorax; 4th wing vein sharply angled

Host Material: Animal waste, garbage, and other decaying organic matter

Adult Occurrence: Most abundant later summer and early fall

Life Cycle: 7-45 days

Management Methods: Residual and contact sprays; baits, traps; larvicides

Sanitation, exclusion, habitat destruction

Flesh Flies
flesh fly

Identifying Characteristics: 2 to 3 times larger than a housefly: gray and black checkboard pattern on the abdomen

Host Material: Garbage, manure, and animal carcasses

Adult Occurrence: Common in warm months

Life Cycle:2-4 weeks

Management Methods: Residual and contact sprays; baits, traps

Sanitation, exclusion, habitat destruction

Blow and Bottle Flies
blow fly, bottle fly

Identifying Characteristics: About twice as large as house fly; metallic blue or green color

Host Material: Animal carcasses, garbage, and manure

Adult Occurrence: Spring and Summer

Life Cycle: 2-4 weeks

Management Methods: Residual and contact sprays; baits, traps
Sanitation, exclusion, habitat destruction

Fruit Flies
Fruit fly

Identifying Characteristics:1/8th inch long; yellowish-brown; hover around ripe or decaying fruits and vegetables

Host Material: Decaying fruits and vegetables; garbage

Adult Occurrence: Most abundant in late summer and early fall

Life Cycle: 1 to 2 weeks

Management Methods: Chemical and Traps Methods: Residual and contact sprays; baits, traps

Sanitation, exclusion, habitat destruction.

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Fungus Gnats
fungus gnats

Identifying Characteristics: Fungus gnats are tiny; most are less than 1/16 of an inch, although some may be larger.

Host Material: The larvae feed on fungus growing in the soil and moist organic matter.

Adult Occurrence: Most abundant in warm and moist conditions

Life Cycle: 2-3 weeks

Management Methods: Chemical and Traps Methods: Residual and contact sprays; baits, traps
Remove contaminated soil, breeding sites.

Cheese Skipper
cheese skipper

Identifying Characteristics: Black, shiny, with bronze tints

Host Material: Moist sources: overripe and moldy cheese, ham.

Adult Occurrence: Most abundant in warm and moist conditions

Life Cycle: 2-3 weeks

Management Methods: Pyrethrum contact and fogging sprays
Sanitation and habitat destruction

Phorid Flies
phorid flies

Identifying Characteristics: Superficially resemble fruit flies, but are more humpbacked

Host Material: Decaying vegetation and animal matter

Adult Occurrence: Most abundant in warmer months

Life Cycle:1-2 weeks

Management Methods: Residual and contact sprays, drain treatment with microbes
Sanitation, habitat destruction, and moisture control

Moth/Drain Flies
drainfly

Identifying Characteristics: 1/8 inch long; body and wings densely covered with long hairs

Host Material: Decaying organic matter, especially around drains and sewers

Adult Occurrence: More common in warm months

Life Cycle: 2-3 weeks

Management Methods: Residual and contact sprays, drain treatment with microbes
Sanitation, habitat destruction, and moisture control

Sphaerocerid Flies (Dung Flies)
dung fly

Identifying Characteristics:1/8-inch; black

Host Material: Decaying organic matter, especially moist animal manure

Adult Occurrence: More common in warm months

Life Cycle: 2-3 weeks

Management Methods: Residual and contact sprays,drain treatment with microbes
Sanitation, habitat destruction, and moisture control

Stable Flies
stable flies

Identifying Characteristics:1/4-inch long, pointed proboscis

Host Material: decaying hay, straw, fermenting weeds, grass and sea weeds

Adult Occurrence: More common in warm months,after a rain

Life Cycle:3-4 weeks

Management Methods: Residual and contact sprays, traps
Sanitation, habitat destruction, and moisture control

Cluster Fly
cluster fly

Identifying Characteristics: Superficially resemble house fly but is slightly larger and more sluggish in its movements

Host Material: They are parasites of earthworms and breed outdoors in lawns and fields

Adult Occurance: Abundant in spring and fall

Life Cycle:4-6 weeks

Management Methods: Residual and contact sprays
Screen and caulk around eaves, windows, etc.