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Fruit flies

Latin: Drosophila spp. Also called vinegar flies.

Fruitflies, Drosophila spp
Fruitflies, Drosophila spp
Season for fruitflies
During summer fruit flies live mostly outdoors. In autumn they seek into houses.

Fruit flies are quite rich on species. We know more than 6000 different species, but only a few of them are found indoors. Adult fruit flies are 3-4 mm long, yellowish brown. They typically fly quietly. The larvae are yellowish-white maggots. Pupae almost look like small brown seeds. Adult fruit flies are attracted to the smell of fermenting fruit and vegetables. It is the smell of the various alcohols, formed during the fermentation that they are attracted to. They also like wine, beer, vinegar, milk, ketchup and jam. The females lay their small whitish eggs, which are barely visible, in these foods. Each female lays about 25 eggs per day and up to 1000 in total. The eggs hatch after one day and the small larvae seek into the food. At room temperature, the larvae leave the food and pupate after 4-5 days. In the pupa transformation to adult fruit flies lasts 3 – 4 days. Fruit flies can begin to lay eggs as early as 24 hours after leaving the pupal stage. Under favourable circumstances, at 25-30 ° C the lifecycle is completed within just 10 days.

Fruitfly
Fruitfly

During the summer fruit flies breed in the wild, so one has to be aware of trash cans and compost piles that can act as hotbeds. If fruit flies are a problem for businesses and residential buildings near you, the solution is to dust surfaces of the larval development sites with insect powder. In companies that can and pickle vegetables and fruit must try to effectively block the flies out. In addition, make sure to keep the food, in which flies like to lay eggs, so they cannot get to them. It is easy to overlook how little space fruit flies need to develop. Returnable packaging in the form of barrels, jars and bottles holding slops can cause large fly populations and the same goes for poorly cleaned waste containers. The fruit fly pupae, which almost are cemented to surfaces, are difficult to remove and may give rise to complaints in connection with recyclable packaging. Adult fruit flies are sensitive to the common fly sprays with pyrethrin.

Food Pests
Introduction
An old problem
Competition for food
Pests can ruin stored goods
Why not just eat the insects
Some insects are unhealthy to eat
Allergy to pests
Transmission of infectious diseases
Where do pests come from?
Synanthrope species
(1) The house dust mite and the sugar mite
(2) The firebrat and the silverfish
(3) The German cockroach and the forest cockroach
(4) The rust-red flour beetle and the confused flour beetle
(5) The merchant grain beetle and the saw-toothed grain beetle
(6) The cigarette beetle and the drugstore beetle
(7) The rice weevil and the granary weevil
(8) The pharaoh ant and the common black ant
History of the dark flour beetle
Pests in bird's nests
Mould fauna
The Look and Behaviour of pests
Insect appearance
Internal
Insect development
Insect senses
Behaviour
Water and Moisture
Temperature
What insects live off and live in
The Air
Mites
Bug Indentification
The various species
Mites
The flour mite
The sugar mite
The common house mite
The Lardoglyphus zacheri
The prune mite
The cheese mite
The house dust mite
The Cheyletus eruditus
Silverfish
The Silverfish
The firebrat
Cockroaches
The German cockroach
The Oriental cockroach
The brown-banded cockroach
The American cockroach
The extermination of cockroaches
Crickets
Earwigs
Booklice
Butterflies
The Mediterranean flour moth
The warehouse moth
Tropical warehouse moth
The brown house moth
The Indian meal moth
Grain beetles
The saw-toothed grain beetle
The merchant grain beetle
The rust-red grain beetle
Flour beetles
The yellow mealworm beetle
The lesser mealworm beetle
The dark flour beetle
The confused flour beetle
The rust-red flour beetle
The bolting cloth beetle
Furniture beetles
The drugstore beetle
The cigarette beetle
Bostrychidae
The lesser grain borer
True weevils snout beetles
The granary weevil
The rice weevil
The corn weevil
Bean weevils
The common bean weevil
The coffee bean weevil
Skin beetles
The bacon beetle
The dermestid beetle
The leather beetle
The khapra beetle
The reesa vespulae
Chequered beetles
The red-legged ham beetle
The red-breasted copra beetle
The black-legged ham beetle
Spider beetles
The Australian spider beetle
The white-marked spider beetle
The golden spider beetle
The smooth spider beetle
Plaster beetles
Flies
The common house fly
The lesser house fly
Blowflies
The grey flesh fly
The cheese skipper
Fruit flies
Hymenoptera
The common black ant
The pharaoh ant
Wasps
Birds
The domestic pigeon
The house sparrow
Prevention and control of birds
Rodents
The house mouse
The yellow-necked mouse
Mouse prevention
Mouse control
The brown rat
The black rat
Rat prevention
Rat control
Imaginary pests
Niches of food pests
A: The Waste Niche
B: The seed niche
C: The dead plant niche
D: The sugary excrement niche
E: The carrion niche
Prevention and Control, Integrated Control
A. Inspection of the company and its environment
The environment
The premises
Examination of raw materials and food on site
Sampling
Laboratory methods for detection of pests in food
B. Statement of the problem
C. Prevention and control
1. Proper organisation of the company
2. Proper operation
3. Exclusion, proofing buildings
4. Packaging
5. Non-chemical control measures
6. Chemical control
Resistance
D: Effective monitoring and communication
Appendix
Literature
Extermination with poison
International trade
Colouration of small, pale animals
Index

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