Bottle Fly

Color: Green
Family: Calliphoridae
Order: Diptera

Bottle flies are also known as blow flies. The bottle fly appears larger than the common house fly and typically prefers shade, which compels the pest to enter homes occasionally.


Bottle Fly Identification

Brilliant, metallic green to green-golden coloration with black markings, slightly larger than House flies Wings are clear with light brown veins, and the legs and antennae are black. Size: Range from 6 to 14 mm in length.

Bottle Fly Habitat

Very common around dumpsters, as they lay eggs almost always in dead or rotting flesh. They are most active from June to August. Popular places to find this flies include on or near fruit, meat, garbage dumps, feces and dead animals. This fly is mainly found in the outdoors and most commonly in farm areas.

Bottle Fly Life Cycle

The life cycle of the bottle fly consists of four stages: egg, larva, pupa and adult. Females may lay up to 2,400 eggs in their lifetime (typically 600 to 2000) in batches of 100 to 180 eggs. The insects lay their eggs in cavities or crevices within a dead or dying organism. Larvae, or maggots emerge and begin to feed on the decomposing entity before pupating after about 10 days. Larvae and pupae can survive the cold, but adults die in the winter. Development time (egg to adult) can be as short as 10 days but often range between 15 to 21 days.

Bottle Fly Prevention

Screening potential entry points into the home is a viable way to prevent bottle flies from entering a structure. Proper maintenance and the removal of all garbage and animal feces, as well as the proper refrigeration of stored meats, also assists in keeping the insects at bay. Furthermore, any decaying animal organism found near homes should be properly removed in order to eliminate breeding grounds for the flies.

Preparation Steps for Bottle Fly Treatment

Here are the preparation steps:

1. Treatment performed by Abell Pest Control will vary depending on the type of fly. An inspection and report detailing breeding sites will be performed. Recommended sanitation must be performed prior to any treatment. Fly traps may be used, in this case any trap should be left where the technician places them - Please do not disturb. Outside a treatment around window sills and eaves may take place.

2. Screen or seal all openings to the outside.

3. It may be necessary to vacate the premises during service and not re-enter until at least 4 hours after treatment. Persons with underlying health conditions should consult their family physician where they have concerns regarding re-entry. Open windows for 20 to 30 minutes after re-entry is possible.

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