Lab 1

Question 1

Do ametabolous immature insects have wings?

Answer 1

No

Question 2

Do hemimetabolous immature insects have wing?

Answer 2

Yes, they have not fully developed wings.

Question 3

What type of metamorphosis undergo dragonflies, earwigs, cicadas, grasshoppers and praying mantis?

Answer 3

Hemimetabolous

Question 4

What type of metamorphosis undergo flies, wasps ants and beetles?

Answer 4

Holometabolous

Question 5

What is the difference between nymph and naiad?

Give an exemple.

Answer 5

Nymph is the immature stage of a LAND HEMIMETABOLOUS insect. ex: grasshopper nymph
Naiad is the immature stage of an AQUATIC HEMIMETABOLOUS insect. ex: dragonfly nymph

Question 6

Which come first: larva or pupa?

Answer 6

Larva

Question 7

T\F

Pupa can be found in a cocoon or a puparium.

Answer 7

T

Question 8

Name 3 mandibulate insects.

Answer 8

Grasshoppers, ants and beetles.

Question 9

Clypeus, Labrum, Mandibles, Maxillae, Maxillary palps, Labium and Labal palps are mandibulate or haustellate?

Answer 9

Mandibulate

Question 10

Which are more primitive: mandibulate or haustellate?

Answer 10

Mandibulate

Question 11

What’s the characteristc of haustellate insects?

Answer 11

They take up liquid.

Question 12

How do we call the elongated sucking haustellate mouthpart?

Answer 12

Proboscis

Question 13

Name a example and the specific appendange of each haustellate insect type:

1. Piercing-sucking
2. Siphoning
3. Sponging
4. Cutting-sponging
5. Chewing-lapping
6. Vestigial

Answer 13

1. Piercing-sucking: mosquitoes (stylets)
2. Siphoning: butterflies (long proboscis)
3. Sponging mouthpartS: non-bitting flies (labella)
4. Cutting-sponging: bitting flies as horse fly (hard mandibles)
5. Chewinig-lapping: bees (modified labium to suck up nectar)
6. Vestigial: when adults do not feed like mayfly

Question 14

Which direction point those head orientation?

1. Hypognathous
2. Prognathous
3. Opisthognathous

Answer 14

1. Hypognathous = ventrally
2. Proganthous = anteriorly
3. Opisthognathous = backward

Question 15

From the antennal socket to the exterior, in what order appear the 3 segments of antennae?
Flaggelum, Scape, Pedicel

Answer 15

1. Scape
2. Pedicel
3. Flagellum

Question 16

What kind of antennae have ants?

Answer 16

Geniculate, with an elbow.

Question 17

What type of antennae is a segment with lateral slender projection, on one side or both sides, present in fishfly or some moths?
A) Setaceous
B) Plumose
C) Pectinate

Answer 17

C) Pectinate or bipectinate

Question 18

What type of anteannae is a segment cylindrical in shape all similar in size, present in tiger beetle and soldier beetle?
A) Monoliform
B)Serrate
C)Filiform

Answer 18

C) Filiform

Question 19

What type of anteannae decreases from base to apex?
A) Setaceous
B) Plumose
C) Monoliform

Answer 19

Setaceous, present in dragonfly and some moths

Question 20

Which antennae type have globular segments?

Answer 20

Monoliform

Question 21

Which anteannae type is en dent de sce?

Answer 21

Serrate

Question 22

Which anteannae type is en dent de scie?

Answer 22

Serrate

Question 23

Which anteannae type is an elbow or a genou?

Answer 23

Geniculate ex:ants

Question 24

Whiche antennae type has a style?

Answer 24

Stylate ex: robber and horse fly

Question 25

What is the name of larvae eye? A) Compound eyes B) Stemmata C) Ocelli

Answer 25

B) Stemmata

Question 26

What refers to the lateral side of the thorax? A) Notum B) Sternum C) Pleuron

Answer 26

C) Pleuron

Question 27

What are the 3 divisions of the thorax?

Answer 27

1. Prothorax 2. Mesothorax 3. Metathorax

Question 28

What are spiracles and on what regions are they located?

Answer 28

They are respiratory organs located on the pleuron, 2 thoracic and 8 abdominals spiracles.

Question 29

What is the name of the principle dorsal screlrite of prothorax?

Answer 29

Pronotum

Question 30

Place the legs segments in order, from the body to the exterior: Trochanter, Tarsus, Coxa, Tibia, Pretarsus, Femur

Answer 30

1. Coxa 2. Tonchater 3. Femur 4. Tibia 5. Tarsus 6. Pretarsus (claws_

Question 31

What is the name of the swimming leg?

Answer 31

Natatorial

Question 32

What is the name of the digging leg?

Answer 32

Fossorial

Question 33

What is the name of the walking leg?

Answer 33

Ambulatory

Question 34

What is the name of jumping leg?

Answer 34

Saltatorial

Question 35

What is the name of the grasping leg?

Answer 35

Raptatorial

Question 36

What is the name of the running leg?

Answer 36

Cursorial

Question 37

What type of legs have grasshoppers?

Answer 37

Saltatorial

Question 38

What type of legs have mantis?

Answer 38

Raptatorial

Question 39

What type of legs have flies?

Answer 39

Ambulatory

Question 40

T\F | Insects with 4 wings have their 2 pairs of wings on the metathorax.

Answer 40

F | They have one pair on the mesothorax, and one pair on the metathorax.

Question 41

Most insects have A) No wing B) 1 pairs C) 2 pairs

Answer 41

C) 2 pairs

Question 42

What's the name of the stabilizers of flies?

Answer 42

Halters

Question 43

What type of wings is leathery? a) Tegmen b) Elytron c) Hemelytron

Answer 43

a) Tegmen. ex: cockroaches, earwigs and grasshoppers

Question 44

Usually, which segments of the abdomen can be reproductive? a) 6 - 10 b) 8 - 11 c) 7 - 10

Answer 44

b) 8 - 11

Question 45

How many pairs of spiracles are on the abdominal pleuron?

Answer 45

8 pairs

Question 46

What's the name of the male insect copulatory organ?

Answer 46

Aedagus

Question 47

T\F | Cerci is the last abdominal segment of many insects. It is not copulatory.

Answer 47

T