In order to help us service you better, we have provided some basic information on fly’s commonly seen in our surroundings: Common House Fly, Drain Fly, Fruit Fly, Flesh Fly, and Blow Fly. We trust this information will be useful to you.
Common House Fly (Musca domestica): Insect: Adult: grey with four dark stripes on the thorax and yellowish-light brown abdomen. 5-8mm long, with female usually larger than male. Eggs are white, cylindrical, tapering at both ends. Larvae are yellowish-brown maggots (about 11 mm long). Pupae are reddish-brown and 4-7mm long. A common insect found almost all over the world. Usually on and around filth, garbage and refuse and human habitation. Has a high breeding rate and liking for almost any kind of food material. Its habit of regurgitating while feeding and particles of dirt etc. sticking to its body hairs makes it a very efficient carrier of disease causing organisms.
Drain Fly or Moth Fly (Psychodidae) : Insect : Adult : small dark fuzzy, moth like, about 2-3 mm long. Adults are weak fliers. Eggs are lead in filth or grease accumulating on sides of drains and pipes. Larvae feed and develop on organic matter and microscopic plants that grow in the filth. Adults immerge after 1-2 weeks. Adults are often found cling to walls of damp areas in bathrooms and kitchens. They are weak fliers, flying only a few feet at a time. They do not bite and usually active at night. They cause annoyance and are perhaps the most common insect inhabitant of sewage treatment plants.
Fruit Fly or Vinegar Fly (Drosophila melanogaster): Insect: Adult: very small light yellow to brown colour; with large, red eyes. Up to 3 mm long, weak fliers. Eggs are laid on surfaces of rotting fruit. Larvae feed on yeast and fungi growing on the fruit and pupate before emerging as adults. Entire cycle usually takes 18-20 days. It is generally found hovering in swarms around decaying vegetation and overripe fruit and near garbage bins in kitchens.
Flesh Fly (Sarcophagidae): Insect: Adult: grey with three dark stripes on the thorax and checkerboard pattern on grey abdomen; 10-12 mm long, with females usually larger than males. Some species lay eggs while some give birth to live young on sources of food such as carrion, dung or decaying material and even open wounds on animals. Larvae are whitish maggots, which feed for 5- 7 days before burrowing into the soil to pupate. Can carry leprosy bacilli and transmit intestinal pseudomviasis to people who eat meet containing the larvae. When maggots develop in open wounds in animals, they can cause meiosis and blood poisoning or asymptomatic leprosy infections. Maggots collected from human corpses have been used as tool in forensic entomology investigations to calculate the approximate date of death (since the flesh fly’s life cycle is well documented and predictable) and this evidence has often helped in solving murder cases.
Blow Fly or Bottle Fly (Calliphoridae): Insect: Adult: metallic blue or green thorax and abdomen; 7-9 mm long, with females usually larger than males. Adults are strong fliers and make a loud, buzzing sound and attracted to light. Eggs are laid by the female in the sources of food such as dead animals or rotting meat. Larvae are whitish maggots with small black hooks to tear flesh and fed for a few days before burrowing into the soil to pupate. Adults feed on nectar; Entire life cycle from egg to adult takes between 9-21days depending on conditions. The name ‘Blow Fly’ comes from the fact that animal corpses swell up from bacterial decomposition in the intestinal tract, causing them to become bloated or ‘fly-blown’. These flies are important in nature in the decay process of animal carcasses and are usually the first insects to arrive – within hours or even minutes – after an animal dies. They are also called Blue or Green bottle flies because of their colour.
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|1||Prior to planning purchase of ILTs make an assessment of the number and type of traps needed by inspecting your facility.||1||Use ILTs outdoors as they may attract insects towards your facility.|
|2||ILTs shall be needed along the path of fly entry and movement, at 1 trap every 25 feet.||2||Use traps directly over areas where food is prepared or exposed.|
|3||ILTs perform best when placed 5 feet or below from ground level.||3||Install traps near a glass window or light where there is a competing source of light.|
|4||Traps should be placed perpendicular to entrances so that they are not visible on the exteriors.||4||Install traps in pathways of human or material handling equipment.|
|5||A series of traps is required to trap most flies entering your facility.||5||Install traps in areas having strong air currents.|
|6||Replace UV-A tubes once in a year.||6||Place traps within 15 feet of an entrance at flies may not respond to it.|
|7||Empty collection trays of Pest-O- Flesh regularly.||7||Rely on ILTs to control flies entering your facility due to ineffective barriers.|
|8||Replace glue boards of Spider when they get filled with trapped insects.||8||Locate two traps close to each other or less than a distance of 25 feet.|
|9||Dark corners are an excellent location for trap placement.||9||Place traps above 5-6 feet above ground if you want to trap mainly houseflies.|
Pre-monsoon flying-insect Prevention checklist
1. Do the garbage containers have light fitting lids?
2. Is garbage being collected in containers?
3. Are garbage containers cleaned regularly and dried?
4. Have you ensured that door closers are functional?
5. Have you closed all gaps around doors and windows?
6. Have you replaced broken glasses in doors and windows?
7. Have you screened all vents and openings?
8. Have you ensured prevention of fly breeding on exteriors by eliminating garbage and organic matter?
9. Have you ensured that night illumination shines light onto your facility, rather than from your facility?
10. Have you switched from mercury vapour to sodium vapour lamp?
11. Have you completed a survey of your facility to identify the fly entry points and pathways?
12. Have you checked whether puddles from around your facility after rain?
13. Have you made sure that drains have been cleaned and are free of solids?
14. Have you ensured removal of sludge from the ETP?