Order Siphonaptera

Question 1

Siphonaptera characteristics

Answer 1

1) small
2) wingless insects
3) body is laterally compressed
4) brown in color
5) Male and female are blood sucking
6) eyes are simple
7) thorax has 3 segments & abdomen has 10 segments
8) 9th segment of both male and female bears pydigium or sensillum

Question 2

Ninth segment of both male and female bears a dorsal pin-cushion like plate called

Answer 2

pydigium or sensillum

Question 3

In the male, the tergum of the 9th segment is modified to form the _______, which holds the female during copulation.

Answer 3

claspers

Question 4

chitinous and coiled

Answer 4

Aedeagus (penis)

Question 5

Female flea has spermatheca in which region?

Answer 5

region of the 9th segment

Question 6

stabilized protein with highly elastic properties

Answer 6

resilin

Question 7

large spines or stiff bristles

Answer 7

comb or ctenidia

Question 8

large spines or stiff bristles on the cheek or genal

Answer 8

genal comb

Question 9

large spines or stiff bristles on the posterior border of the 1st thoracic segment

Answer 9

pronotal comb

Question 10

It divides the head into frons (anterior) and occiput (posterior) portions.

Answer 10

antennal groove

Question 11

Mouthparts of Order Siphonaptera (fleas or pulgas) consist of what?

Answer 11

epipharynx
laciniae of the first maxilla
mandibles

Question 12

These are not markedly host specific.

Answer 12

Fleas

Question 13

Families under Order Siphonaptera

Answer 13

Family Pulicidae
Family Ceratophyllidae
Family Leptopsyllidae

Question 14

SN of “stick tight or burrowing flea”

Answer 14

Echidnophaga gallinacea

Question 15

Common name of Echidnophaga gallinacea

Answer 15

“stick tight or burrowing flea”

Question 16

SN of sand flea, jiggers, or chigoe

Answer 16

Tunga penetrans

Question 17

CN of Tunga penetrans

Answer 17

sand flea, jiggers, or chigoe

Question 18

SN of human flea

Answer 18

Pulex irritans

Question 19

CN of Pulex irritans

Answer 19

Human flea

Question 20

SN of oriental rat flea

Answer 20

Xenopsylla cheopis

Question 21

CN of oriental rat flea

Answer 21

Xenopsylla cheopis

Question 22

SN of cat flea

Answer 22

Ctenocephalides felis

Question 23

CN of Ctenocephalides felis

Answer 23

Cat flea

Question 24

SN of dog flea

Answer 24

Ctenocephalides canis

Question 25

CN of *Ctenocephalides canis*

Answer 25

Dog flea

Question 26

Parasite of chickens principally found in the Southeastern U.S. May attack other animals like horses, cattle, dogs, rats, etc.

Answer 26

Echidnophaga gallinacea “stick tight or burrowing flea”

Question 27

Head is angular No ctenidia

Answer 27

Echidnophaga gallinacea "stick tight or burrowing flea"

Question 28

Man is the primary host. May also attack other animals like pigs, rats, skunks, etc.

Answer 28

Tunga penetrans (sand flea, jiggers, or chigoe)

Question 29

thorax reduced, frons sharply angled or angular

Answer 29

Tunga penetrans "sand flea, jiggers or chigoe"

Question 30

Man and other mammals. Smoothly rounded frons. Mesopleural rod absent. Genal and pronotal ctenidia absent.

Answer 30

Pulex irritans (human flea)

Question 31

Occurs in brown rats but readily bites man. Common in brown and black rats.

Answer 31

Xenopsylla cheopis (oriental rat flea)

Question 32

Frons smoothly rounded. Mesopleural rod present. Genal and pronotal ctenidia absent.

Answer 32

Xenopsylla cheopis (oriental rat flea)

Question 33

Most common in both dogs and cats. Frons pointed Oral and pronotal ctenidia present 1st oral genal ctenidia slightly shorter than the second.

Answer 33

Ctenocephalides felis (cat flea)

Question 34

Less common than C. felis. Occurs in both dogs and cats. Frons rounded Oral and pronotal ctenidia present First oral ctenidia much shorter than the 2nd.

Answer 34

Ctenocephalides canis (dog flea)

Question 35

CN of *Nosopsyllus fasciatus*

Answer 35

“Northern rat flea”

Question 36

SN of “Northern rat flea”

Answer 36

*Nosopsyllus fasciatus*

Question 37

on rodents X Oral ctenidia ✓ Pronotal ctenidia

Answer 37

Nosopsyllus fasciatus – “Northern rat flea”

Question 38

Fleas of chickens

Answer 38

*Ceratophyllus gallinae C. niger*

Question 39

CN of *Leptopsylla cuniculi*

Answer 39

rabbit flea

Question 40

CN of *Leptopsylla cuniculi*

Answer 40

Rabbit flea

Question 41

CN of *Leptopsylla segnis*

Answer 41

mouse flea

Question 42

SN of mouse flea

Answer 42

*Leptopsylla segnis*

Question 43

Presence of vertical genal ctenidia

Answer 43

*Leptopsylla segnis* – mouse flea

Question 44

Type of development of fleas

Answer 44

Holometabolous development

Question 45

last abdominal segments bear two hooked processes called _________ which are used for locomotion and for holding on to strata

Answer 45

anal struts

Question 46

The female fleas lay their eggs at night while attached to the bird, and the very small eggs fall to the ground.

Answer 46

*Echidnophaga gallinacea*

Question 47

The larvae feed on organic material, mainly on dried blood excreted by adult fleas and shelter in the surface dust and litter on the ground.

Answer 47

*Echidnophaga gallinacea*