UNIT 3

Question 1

It is one of the three main body parts of an insect. It is the middle
segment, behind the head and before the abdomen.

Answer 1

Thorax

Question 2

The anterior segment of the thorax bearing the first pair of legs is called

Answer 2

Prothorax

Question 3

The posterior segment of the thorax bearing the third pair of legs, and second pair of wings is called

Answer 3

Metathorax

Question 4

The middle segment of the thorax bearing the second pair of legs, and first pair of wings

Answer 4

Mesothorax

Question 5

It is a boxlike structure with a dorsal tergum, a ventral sternum, and additional side regions called pleura.

Answer 5

Thoracic Metamere

Question 6

Hard plates of the thorax are called

Answer 6

sclerites

Question 6

The farthest part of the insect’s body typically in a claw or pair of claws.

Answer 6

Tarsus

Question 7

The first segment (counting from the body) in the leg of an insect.This part attaches the legs to the thorax.

Answer 7

Coxa

Question 8

It is any of the sverla bony knobs on the femur of vertebrates to which muscles are attached. The second segment of the leg, between the coxa and the femur.

Answer 8

Trochanter

Question 9

The third segment of the leg, typically the longest and thickest segment.

Answer 9

Femur

Question 10

The long and often narrow segment of the leg. This contains the muscles that control the tarsi.

Answer 10

Tibia

Question 11

One of a number of small segments distal to the tibia. It is made up of 2-5 segments.

Answer 11

Tarsus

Question 12

Types of Insect Legs

Also known as Running Legs. They are the type of legs found on swift-moving insects like roaches and tiger beetles.

Answer 12

Cursorial Legs

Question 13

Types of Insect Legs

They are also called jumping legs, usually hind legs packed with pwoerful muscles used for jumping.

Answer 13

Saltatorial Legs

Question 14

Types of Insect Legs

Also called hunting legs, they are the type of leg found on predatory insects such as mantids and giant water bugs.

Answer 14

Raptorial Legs

Question 15

Types of Insect Legs

These legs are used for swimming. They’re usually found on water beetles. They are flat, broad, and fringed with dense hairs.

Answer 15

Natatorial Legs

Question 16

Types of Insect Legs

These legs are usually forelegs used for burrowing or digging. They tend to be very broad, flat, and dense.

Answer 16

Fossorial Legs

Question 17

Forewings of Coleoptera.

Answer 17

Elytra

Question 18

Forewings of Hemiptera.

Answer 18

Hemelytra

Question 19

Wings of Thysanoptera

Answer 19

Fringed wings

Question 20

Wings of Tricoptera

Answer 20

Membranous Wings

Question 21

Hindwings of Diptera

Answer 21

Halteres

Question 22

Forewing of Grasshoppers

Answer 22

Tegmina

Question 23

They serve primarily for protecting the hind wings and must be opened in order for the insect to fly.

Answer 23

Elytra

Question 24

Hardened at the base, and membranous near the end. A triangular patch between the forewings is usually noticable.

Answer 24

Hemelytra

Question 25

These wings are reduced in size, these are fringed with long setae and make insects swim through the air.

Answer 25

Fringed Wings

Question 26

Thin, transparent wings supported by a system of tubular veins.

Answer 26

Membranous Wings

Question 27

Highly sophisticated balance organs that oscillate during flight.

Answer 27

Halteres

Question 28

Modified leathery forewing of an insect. Its major role is to protect the hindwings when folded.

Answer 28

Tegmina

Question 29

The final and largest body region.

Answer 29

Abdomen

Question 30

This refers to internal body parts.

Answer 30

Organs

Question 31

This refers to external body parts

Answer 31

Structures

Question 31

These are tiny openings that can be found on both sides of the abdomen, through which the insect obtains oxygen.

Answer 31

Spiracles