Bed-bugs

Bed-bugs

Name: Bed-bug, Cimex lectularius Lifecycle: Incomplete metamorphosis Egg: 4-5 eggs laid per female each day in cracks and crevices on, in or near bedding. Will only hatch above 13°C. Nymph: Nymphs reach adulthood within 5 moults after several weeks under optimum...
Blow Flies

Blow Flies

Name: Blow Flies – Calipohora sp, Lucillia sp, Sarcohpaga sp. Lifecycle: Complete metamorphosis Egg: Laid in bundles on or near carrion. Hatch within 1-2 days. Larvae: Grow to a size of 18mm, take up to 3 moults and on average reach their pupal stage within a...
Carpet Beetle

Carpet Beetle

Name: Carpet Beetle – Anthrenus verbasci Lifecycle: Complete metamorphosis Egg: Laid singularly on carpet, clothing, fur and museum material. Average hatch in 10 days to 1 month. Larvae: Grow to a size of 5mm and take on average 5 moults (although this can be higher...
Common Wasp

Common Wasp

Name: Common Wasp – Vespula vulgaris Lifecycle: Complete metamorphosis Egg: Laid in cells within the paper nest. Larvae: Legless larvae which are fed by drones, develop within 4 weeks. Pupae: Develop within 2 weeks within the cell. Adult (Queen): The queen will...
Fleas

Fleas

Name: Fleas – Pulex irritant (human flea), Ctenocephalides felis (cat flea) Lifecycle: Complete metamorphosis Egg: Laid on the host or in the bedding and nesting material of the host. Eggs are 0.5mm and pearly white. Usually hatch within 2-3 days. Larvae:...
German Cockroach

German Cockroach

Name: German Cockroach, Blatella germanica Lifecycle: Incomplete metamorphosis Ootheca: Containing between 30-40 eggs with a 2-4 week incubation before hatching. Nymphs: 5-7 moults taking between 2-6months to reach maturity. Adults: Live on average for 6 months. Can...
House Fly

House Fly

Name: House Fly, Musca domestica Lifecycle: Complete metamorphosis Egg: Laid in rotting vegetation or animal waste. Hatch between 8hours to 2 days. Larvae: Grow to a size of 12mm, take up to 3 moults and on average reach their pupal stage within a week. Pupae: Pupa...
Mosquitoes

Mosquitoes

Name: Mosquito, Culex sp. Lifecycle: Complete metamorphosis. Eggs: Laid in rafts on the surface of the water. Hatch time varies on ambient temperatures, but is usually between 24-48 hours at room temperature. Larvae: Larvae go through 4 instars of development taking...
Cluster Flies

Cluster Flies

Name: Cluster Flies – Pollenia rudis Lifecycle: Complete metamorphosis Egg: Laid in damp soil or rotting vegetation. Hatch within 1 week. Larvae: Soon after they hatch they seek out earthworms to parasitise. Development time within the worm is several weeks. Pupae:...

Understanding Resistance

In a recent article published in International Pest Control July/August 2016, Alex Wade, Technical Manager, PelGar International explains that there are different types of resistance: behavioural; biochemical and genetic. He then outlines the effects of resistance on...