Cricket Dissection and Anatomy

cerci

the soft, flexible posterior appendage on the 10th segment on the abdomen

ovipositor

a long rod like structure extending from the posterior end of her body, used during egg laying to form a hole in the ground and to guide eggs into the hole

prothoracic legs

anterior pair

mesothoracic legs

middle pair

metathoracic legs

posterior pair

tympanic membrane

used for hearing

femur, tibia, tarsus

mesothoracic wings

forewings, heavy and act as covers to protect the larger, but more delicate metathoracic wings; males life and cross the mesothoracic wings to create a chirping sound

metathoracic wing

hindwings, under the mesothoracic wings

file region of wing

vibrating region of wing

mouth

mandibles, labrum and labium

compound eye w/ ommatidia

consist of 1000s of hexagonal lenses called ommatidia allowing the insect to see shapes and detect motion and distance

ocelli

3 “simple eyes betwee nthe compound eyes, used to differentiate between light and dark

esophagus

crop

gizzard

caecum

intestine (hind gut)

anus

Malpighian tubules

male accessory gland

testes

oviducts

seminal receptical

ventral nerve cord

labrum

upper lip

labium

bottom lip

mandible

jaws

spiracles

the pores where air enters the tracheal system. located on each side of the thorax’s and abdomen’s exoskeleton

tracheae

a network of internal tubules that branch within the body to deliver oxygen to individual organs by diffusion