Cockroach Flashcards
(46 cards)
What is the body color of cockroaches?
Cockroaches are brown or black-bodied animals.
To which class and phylum do cockroaches belong?
Cockroaches belong to the class Insecta of the phylum Arthropoda.
What colors of cockroaches have been reported in tropical regions?
Bright yellow, red, and green-colored cockroaches have been found in tropical regions.
What is the size range of cockroaches?
Cockroaches range from ¼ inch to 3 inches (0.6-7.6 cm) in size.
What are the notable physical features of cockroaches?
They have long antennae, legs, and a flat extension of the upper body wall that conceals the head.
What type of feeders are cockroaches, and where do they live?
Cockroaches are nocturnal omnivores that live in damp places worldwide.
Why are cockroaches considered pests?
They are serious pests and vectors of several diseases.
What is the scientific name of the common species of cockroach?
Periplaneta americana.
What is the body length of adult Periplaneta americana?
Adult Periplaneta americana cockroaches are about 34-53 mm long.
How do the wings of male cockroaches compare to their abdomen?
The wings extend beyond the tip of the abdomen in males.
Into how many distinct regions is the cockroach’s body divided?
The cockroach’s body is divided into three distinct regions: head, thorax, and abdomen.
What covers the body of a cockroach?
The body is covered by a hard chitinous exoskeleton that is brown in color.
What are the hardened plates of the exoskeleton called?
The hardened plates of the exoskeleton are called sclerites.
What are the dorsal and ventral sclerites called?
Dorsal sclerites are called tergites, and ventral sclerites are called sternites.
What connects the sclerites in cockroaches?
A thin and flexible articular membrane (arthrodial membrane) connects the sclerites.
What is the shape of a cockroach’s head?
The head is triangular in shape.
How is the cockroach’s head positioned?
The head lies anteriorly at right angles to the longitudinal body axis.
How is the cockroach’s head formed?
It is formed by the fusion of six segments.
What feature allows a cockroach’s head to show mobility in all directions?
The flexible neck allows mobility in all directions.
What type of eyes does a cockroach have?
Cockroaches have a pair of compound eyes.
What sensory structures are present on the cockroach’s head?
The head bears a pair of long, thread-like antennae.
What is the function of the antennae in cockroaches?
The antennae have sensory receptors that help in monitoring the environment.
What are the mouth appendages of a cockroach used for?
The mouth appendages are used for biting and chewing.
What are the components of the cockroach’s mouthparts?
labrum labium pair of mandible and pair of maxillae
