Ectoparasites - basics.

What arthropods are classed as insects (mandibulates)

lice, bugs, flies, fleas

What arthropods are classed as acari (chelicerates)

mites, ticks

What are the physical features of an insect

3 pairs of legs

3 body regions

antennae

What are the physical features of an acari

adult have 4 pairs of legs (larvae have 2)

2 body regions

Describe a hemimetabolous lifecycle

which arthropods does this apply to

hemimetabolous = partial metamorphosis

done by some insects such as lice

EGG→NYMPH(multiple stages of nymph)→ADULT

describe a holometabolous lifecycle

what arthropods does this apply to

holometabolous = complete metamorphosis

some insects such as flies and fleas

EGG→LARVAE→PUPARIUM→ADULT

Describe the lifecycle of acari

acari = mites and ticks

EGG→6 LEGGED LARVAE→8 LEGGED NYMPH→8 LEGGED ADULT

What conditions can mites cause?

acariasis, mange, scab

Is this a sucking or chewing louse?

sucking - anoplura

is this a sucking or chewing louse?

chewing - mallophaga

what is myiasis

infestation of organ or tissues by larvae of dipterous flies.

What order are flies

dipteria

what order are fleas

siphonaptera

what order are lice

phthiraptera

what order are bugs

hemiptera

What order are ticks?

metastigmata

What are the three classes of mite

Astigmata

Prostigmata

Mesostigmata