muscidae and other families march 2, 2009
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Muscidae and Other Muscidae and Other FamiliesFamiliesMarch 2, 2009March 2, 2009
MuscidaeMuscidaeLarge fly groupLarge fly group
Includes number of species of economic/public Includes number of species of economic/public health importancehealth importance
House fly, face fly, stable fly, horn fly, latrine House fly, face fly, stable fly, horn fly, latrine flyfly
General Adult General Adult Appearance Appearance Frontal suture on headFrontal suture on head
3 segmented antenna with subterminal arista3 segmented antenna with subterminal arista
Wing with 1-3 posterior cells on wingWing with 1-3 posterior cells on wing
Has large calypteresHas large calypteres
Meron bareMeron bare
Musca domesticaMusca domesticaHouse flyHouse fly
Everywhere there are humansEverywhere there are humans
6-9 mm6-9 mm
Dull grey body, 4 longitudinal stripesDull grey body, 4 longitudinal stripes
Wings held apart when at restWings held apart when at rest
1st attracted to excrement, follows blow flies 1st attracted to excrement, follows blow flies to carrionto carrion
Hydrotaea sp. Hydrotaea sp.
Dump fliesDump flies
All over USAll over US
Common on excrement during hot monthsCommon on excrement during hot months
< 6 mm < 6 mm
Occurs late in succession--after 4-5 monthsOccurs late in succession--after 4-5 months
2nd/3rd instars facultative predators2nd/3rd instars facultative predators
Fannia sp.Fannia sp.
Lesser/little house fly, latrine flyLesser/little house fly, latrine fly
6-7 mm, everywhere6-7 mm, everywhere
Dull brown to blackDull brown to black
3 stripes on thorax3 stripes on thorax
Larvae small and flat with lateral processes on Larvae small and flat with lateral processes on each segmenteach segment
Active during summerActive during summer
Larvae in liquified materialLarvae in liquified material
Muscina sp.Muscina sp.False stable fliesFalse stable flies
Throughout USThroughout US
Most active during summer, somewhat active Most active during summer, somewhat active year-roundyear-round
8-10 mm--slightly larger than houseflies w/ 8-10 mm--slightly larger than houseflies w/ heavier bodiesheavier bodies
Pale tip on scutellumPale tip on scutellum
Attracted to carrion in late stages of decayAttracted to carrion in late stages of decay
Able to reach shallow bodiesAble to reach shallow bodies
3rd instar larvae are predaceous3rd instar larvae are predaceous
Synthesiomyia nudisetaSynthesiomyia nudiseta7-10 mm (one of larger muscids)7-10 mm (one of larger muscids)
Grey w/ checkered abdomenGrey w/ checkered abdomen
4 longitudinal stripes4 longitudinal stripes
Palps on antennae yellow-orangePalps on antennae yellow-orange
Terminal segment yellow (not red)Terminal segment yellow (not red)
Larvae large and predaceousLarvae large and predaceous
Will eat Will eat C. rufifaciesC. rufifacies
Puparia in silky white substancePuparia in silky white substance
soil adheressoil adheres
SepsidaeSepsidae
Black Scavenger FliesBlack Scavenger Flies
Adults 2.3-3.5 mmAdults 2.3-3.5 mm
Look like parasitic waspsLook like parasitic wasps
Spherical head, clear wings with dark spot at tipSpherical head, clear wings with dark spot at tip
Tiny maggots <5 mmTiny maggots <5 mm
All over US, active in Texas as long as over 45-50 All over US, active in Texas as long as over 45-50 FF
Fee predominantly on dung, but sometimes on Fee predominantly on dung, but sometimes on carrioncarrion
PiophilidaePiophilidaeSkipper fliesSkipper flies
Gnat-like insects--< 5 mmGnat-like insects--< 5 mm
Shiny blue-black, lower legs yellowShiny blue-black, lower legs yellow
Small larvae 6-9 mm Small larvae 6-9 mm
Can jump/skip Can jump/skip
Adults found on body early, larvae lateAdults found on body early, larvae late
Life cycle 11 days (or more)Life cycle 11 days (or more)
PhoridaePhoridae
Scuttle Flies, coffin fliesScuttle Flies, coffin flies
Run in jerky mannerRun in jerky manner
Most active in later stages of decayMost active in later stages of decay
Able to dig down to coffinsAble to dig down to coffins
~0.5 m in a few days~0.5 m in a few days
Can complete life cycle under groundCan complete life cycle under ground
55 million flies--60 days55 million flies--60 days
Any questions?Any questions?
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