Miscellaneous insects Flashcards
What is the latin name for cockroaches and how many species are there?
Blottodea
>3500 spp
<1% known
Give the latin name for the oriental cockroach
Blatta orientalis
Give the latin name for the australian cockroach
Periplaneta australasiae
Give the latin name for the american cockroach
Periplaneta americanus
Give the latin name for the brown-banded cockroach
Supella supellectilium
Give the latin name for the madeira cockroach
Leucophaea maderae
Give the latin name for the german cockroach
Blatella germanica
Give the anatomy of a cockroach
Black/brown colour
Smooth
Dorsoventally flattened
Antennae
Tegmina
What is the distinct about cockroach antennae?
Prominent
Multi-segmented
Filiform
What is distinct about cockroach tegmina?
Visible leathery wings that protect the underlying functional wings
Describe cockroach behviour
Heated buildings
Social
Nocturnal
Omnivorous
All prefer walking and most can fly
Some are wingless
What are the genital appendages of the cockroach?
Cerci (female)
Styli (male)
What is the life cycle of the cockroach?
Some produce eggs, some live young
16-48 eggs in ootheca
Nymphs hatch from ootheca after 32 days
How many instars do cockroach nymphs pass through?
6-15
What is the difference between cockroach nymphs and adults?
Smaller
No wings
No genital appendages
But do resemble adults
What do cockroaches do while feeding?
Vomit
Defecate
Why do cockroaches smell bad?
Defence glands emit aldehydes/quinones
Give examples of pathogenic organisms carried by cockroaches
E.coli
Salmonella
Which nematodes can cockroaches be an intermediate host for?
Gangylonem pulchrum (gullet worm)
Which helminths can cockroaches be an intermediate host for?
Maniliformis maniliformis
Are cockroaches vectors for disease?
Theoretically but not proven
Carry 4 polio viruses, 40 bacteria spp and 12 helminths
How do cockroaches cause allergic disease?
Irritant reaction to defense and secretions
Asthma due to proteases and ligands
Salivary hypersensitivity in lab workers
Discuss cockroach control
Clean habits
Clean environment
Traps
Baits
Chemicals
What are the 3 medically important families of hymenoptera?
Apoidea
Vespoidea
Formicoidea
What are apoidea?
Honeybess
What are vespoidea?
Wasps
What are formicoidea?
Ants
What is the difference between ants, bees and wasps social behaviour?
Ants - social
Bees - social and solitary
Wasps - social and solitary
What are sterile male and female ants called?
Sterile females - workers
Sterile males - drones
What is the difference between ants, bees and wasps wings?
Ants - wingless except on nuptial flights
Bees - 2 pairs of membranous wings
Wasps - wings and wingless
What is the latin name for velvet ants?
Multilidae
What is the difference between ants, bees and wasps body hairs?
Bees - plumose and feathery body hairs
Wasps - simple structure body hairs
What is the difference between ants, bees and wasps mouthpars?
Ants - chewing (mandibles)
Bees - lapping
Wasps - biting and chewing