Insecta

Question 1

Class insects

Answer 1

Antennae
May have complex eyes
Multi segmented bodies separated into 3 parts
May have wings
Adults have 3 pair of legs

Question 2

Order Anoplura

Answer 2

Sucking lice
No wings
Permanent parasites
Flattened bodies
Narrow head
Respiratory stoma in pleural plates
Tibial pads+tarsal claw
Biting/sucking mouthparts
Hematophagous, solenophagus
Adult Male w penis, female w gonopods+cementant glands
Egg-3 nymphal-adults=21days

Question 3

Order Anoplura genera

Answer 3

Pthirus- crab louse, human+primates
Pediculus-human
Haematopinus-swine, horses, cattle
Solenopotes-ruminants
Linognathus-dogs, cattle

Question 4

Order Mallophaga

Answer 4

Chewing lice “wool eaters”
Low host specificity
Wide head
Segment 2+3 fused
Permanent parasites mammals+birds
Claws
Feed on hair, feathers, sebaceous gland (even blood)

Question 5

Order Mallophaga genera

Answer 5

Birds:
Goniocotes
Columbicola
Mammals:
Trichodectes-dog (IH of Diphylidium caninum)
Feliola-cat
Bovicola-cattle

Question 6

Order Siphonaptera

Answer 6

Compressed body
Third pair of legs well developed (jumping)
Pigmented simple eyes
No wings
Antennae in antennae grove
Parasites of mammals and birds
Haematophagus, solenophagus
Low host specificity
May have genial ctenidium and pronotal ctenidium (spines)
Senilium in abdomen (sensorial organ)
Differentiated by head+ctenidium
Saliva may cause allergy
Egg-4 larval-pupae-adult

Question 7

Vectors of

Answer 7

Anoplura Pediculus-Exanthematic typhus
Mallophaga Trichodectes- Dipylidium caninum
Siphonaptera Xenopsylla- yersinia pestis
Siphonaptera Ctenocephalides- filiariae
Hemiptera Triatoma- Trypanosoma