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Photo Credit: Tom Myers
SPAEROCERID FLY IDENTIFICATION
Size: 1/8-inch
Color: Black
On these flies, the first segment of the tarsi is enlarged compared to
the other segments. The tarsi are the last five segments of the legs.
SPAEROCERID BIOLOGY AND HABITS
The Spaerocerid flies are also called "dung flies", because they may breed
in animal manure. Sphaerocerid flies belong to a large family of flies
known as Sphaeroceridae which contains 241 species in North America.
These fly in very common in poultry houses breeding in chicken feces.
There are a few species that feed in any decaying organic matter, meaning
that they can be found in the same areas as Phorid
flies and Fruit flies. The biology and
habits is much the same as these other small flies.
INSPECTING FOR SPAEROCERID
INFESTATIONS
- Look for decaying or fermenting organic matter. Check
fruits and vegetables stored outside of refrigeration.
Trash containers or dumpsters which are not cleaned regularly might
be one such source. Inspect underneath and behind large appliances
- Decaying organic matter may be trapped in cracks of
kitchen equipment(where it meets the floor). Because many food handling
establishments and food processing facilities use water hoses to wash
down the floor on a consistent basis, floor debris may be caught in
the small cracks and start to ferment.
Use a knife to scrape at the bottom on the equipment, to inspect the
debris and the presence of live larvae.
- Inspect floor drains It may be breeding site, although
this fly is usually not found there.
The Drain fly, Phorid
fly and Fruit Fly may also be breeding
there. These small flies : Sphaerocerid, Drain, Phorid and Fruit Fly
are often found breeding in the super thin layer or film of debris that
naturally accumulates in pipes, traps and drains.
- Floor and sink drains can then be treated with :
DF
5000 Drain Gel or Bio Drain Treatment Gel.
- Just because you may see a small fly or gnat type
flying around in the kitchen, do not assume it is coming from the drains.
Check all possible breeding sources to help identify the fly. Using
a drain cleaner like DF 5000 would only work in they are breeding in
the drains.
Understanding the different breeding sources for the different flies
will help you in identifying and managing the respective flies. The
other flies that are found around drains are: Fruit Flies, Drain Flies
and Sphaerocierid Flies.
Breeding Sources of Drain Flies, Fruit Flies, Phorid Flies
and Sphaerocerid Flies:
Drain flies: breed
in drains, sewers, septic tanks and soil that has been contaminated
with sewage.
Fruit flies: can be
spotted around fresh fruits/vegtables, rotting fruits and vegetables,
drains, garbage and damp organic materials
Phorid Flies
: are found in sewage contaminated soil, garbage, drains,
human cadavers, rotting vegetables and fruit, garbage as well as damp
organic materials
Sphaerocerid
Flies: may be found in manure, damp organic material,
drains, rotting fruits and vegetables and garbage
SPAEROCERID FLY CONTROL
- Finding and removing all breeding sources is the first
and best method of elimination.
- Floor drains need to regularly be cleaned, not only
for this particular fly but the other small flies mentioned above.
Bleach and hot water is not adequate to remove breeding sources. A drains
can be treated DF 5000 Drain Gel or Bio Treatment Gel.
If these flies are found breeding in crawlspaces or inside walls, the
breeding source needs to be removed and dried completely.
- After the breeding sources have been removed, you
may use a space spray (ULV) non-residual, pyrethrin
treatments to kill the remaining adult flies.
- We having fogging material
and foggers , as well as hand held pyrethrin aerosols such as CB 80
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