(WIP) Insect Morphology Part.1

Question 1

Insect body axes:

What would the head of the insect be called?
A) Dorsal
B) Ventral
C) Anterior
D) Posterior

Answer 1

Anterior

Question 2

Insect body axes:

What would the tail of the insect be called?
A) Dorsal
B) Ventral
C) Anterior
D) Posterior

Answer 2

Prosterior

Question 3

Insect body axes:

What would the top of the insect be called?
A) Dorsal
B) Ventral
C) Anterior
D) Posterior

Answer 3

Dorsal

Question 4

Insect body axes:

What would the bottom of the insect be called?
A) Dorsal
B) Ventral
C) Anterior
D) Posterior

Answer 4

Ventral

Question 5

Insect body axes:

Where would the tip of the wing of the insect be located?

Related to distance…
Two terms.

Answer 5

Apical / Distal

Question 6

Insect body axes:

Where would the inner most body section of the insect be located?

Related to proximity…
Two terms.

Answer 6

Basal / Proximal

Question 7

What is another name for exoskeleton?

Answer 7

Integument

uhn · teh · gyuh · muhnt

Question 8

The cuticle (outermost integument layer) produces:

Three answers…

Answer 8

1. Chitin
2. Melanin
3. Sclerotin

Question 9

The cuticle (outermost integument layer):

The major component, starts elastic and white
A) Chitin
B) Melanin
C) Sclerotin

Answer 9

Chitin

(kai · tn)

Stays this way in most
larvae (immatures)

Question 10

The cuticle (outermost integument layer):

Creates dark brown and black pigments
A) Chitin
B) Melanin
C) Sclerotin

Answer 10

Melanin

(meh · luh · nuhn)

Question 11

The cuticle (outermost integument layer):

Gives exoskeleton more strength and hardness

Answer 11

Sclerotin

(scle·rotin)

Question 12

What do you call the chemical process of darkening & Hardening of the cuticle?

Think of the sun and sclerotin…
Two terms.

Answer 12

Tanning / Sclerotization

Question 13

The formation of exocuticle involves what chemical process?

This process happens after a molt, hardening the insect.
Think of the sun and sclerotin…

Answer 13

Tanning / Sclerotization

This doesnt include larva (excluding their hard heads), they stay squishy.

Question 14

Sclerotization / tanning creates hard plates called…

Answer 14

Sclerites

(scle·rite)

Question 15

Does the epicuticle contain chitin?

The epicuticle is the outermost part of the cuticle. (Kind of like the skin.)

Answer 15

No

Question 16

Whats the epicuticles relation to water?

The epicuticle is the outermost part of the cuticle. (Kind of like the skin.)

Answer 16

Reduces water loss and protects insect from foreign matter.

The epicuticle is the outermost part of the cuticle. (Kind of like the skin.)

Question 17

Three ways an insect has color:

Hints:
1. Two are in relations to the cuticle (top layer) and epidermis (middle layer).
2. Light related…

Answer 17

1. Pigments in the cuticle
2. Pigments in epidermis beneath a clear cuticle
3. Diffraction of light waves from cuticle structure

Question 18

Mandibulate Mouthparts

Where is the Labrum located vs the labium?

Hint: You can drink rum

Answer 18

Labrum: Second down from the top of the mouth.
Labium: Bottom most part.

Clerification: Labrum is under the Clypeus.

Question 19

What is a sucking mouthpart called on insects?
A) Haustellate
B) Mandibulate

Ex: Butterflies

Answer 19

Haustellate