What is an ovipositor used for?
The ovipositor is a tube-like organ used by some animals, especially insects, for the laying of eggs. In insects, an ovipositor consists of a maximum of three pairs of appendages.
Where Is The ovipositor on a grasshopper?
In grasshoppers the ovipositor is a highly specialized structure comprising heavy cuticular appendages, hinges and large muscles. It extends beyond the tip of the female abdomen, where it appears externally as two pairs of shovel-shaped structures called ovipositor valves.
What is the function of the abdominal cerci in grasshopper?
Cerci (singular cercus) are paired appendages on the rear-most segments of many arthropods, including insects and symphylans. Many forms of cerci serve as sensory organs, but some serve as pinching weapons or as organs of copulation.
Are any appendages associated with the abdomen What are their functions?
When the animal walks, it inverts or retracts the entire pygypodial apparatus, using the blunt end of the abdomen as an “appendage” accessory to the legs. In this way, the abdomen both supports the body and provides a point of anchorage or adhesion against which the rest of the animal’s locomotory apparatus can work.
What is the function of the abdomen?
The abdominal muscles support the trunk, allow movement and hold organs in place by regulating internal abdominal pressure. The deep abdominal muscles, together with muscles in the back, make up your ‘core’ muscles and help keep your body stable and balanced, and protects your spine.
What animals have 10 legs?
The Decapoda or decapods (literally “ten-footed”) are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crayfish, crabs, lobsters, prawns, and shrimp.
What insect has abdominal appendages?
* Pterygote larvae – abdominal appendages are common – gills (Ephemeroptera, Plecoptera, Megaloptera, Trichoptera, and some Coleoptera), prolegs (Diptera, Lepidoptera, Mecoptera, and Trichoptera), etc. All are developed from primitive limb rudimants – true abdominal legs according to Snodgrass.
What do you know about the abdomen of an insect?
The abdomen is one of the three main body segments (or tagmata) of insects. The abdomen is the posterior most of the segments. In most insects clear segmentation can be seen in the abdomen. The abdomen contains the heart, reproductive organs, mid-gut and other digestive organs.
Are there differences between the abdomen of the male and female insects?
The male genitalia are derived from the ninth abdominal segment. The female genitalia are derived from the eighth and ninth abdominal segments. In the female, the aperture through which the egg passes is called a gonopore.
Where is the abdomen on a insect?
An insect’s abdomen is the third functional region (tagma) of its body; the abdomen is located just behind the thorax. In most insects, the junction between thorax and abdomen is broad, but in some groups, the junction is very narrow (petiolate) giving the appearance of a “wasp-waist”.
What is the bottom of a bug called?
These segments are covered with plates known as tergites, which sit on top of the abdomen and sternites which protect the underneath. ( Entomologists tend to call the top the ‘dorsal’ aspect and the bottom the ‘ventral’).
What are the 3 parts of a insect?
The basic model of an adult insect is simple: It has a body divided into three parts (head, thorax and abdomen), three pairs of legs and two pairs of wings.
What is the body part of a bug?
Noun. 1. body part – any part of an organism such as an organ or extremity. organism, being – a living thing that has (or can develop) the ability to act or function independently. saddle – posterior part of the back of a domestic fowl.
What insect has 3 pairs of legs?
praying mantis
What’s an insect’s body called?
The three main insect body parts are head, thorax, and abdomen. The head contains the antennae, eyes, and mouthparts. The thorax is the middle body part to which the legs and wings are attached.
What is a complete metamorphosis?
Complete metamorphosis is the type of insect development that includes egg, larva, pupal, and adult stages, which differ greatly in morphology. The lifecycle of butterflies, ants, fleas, bees, beetles, moths, and wasps are examples of the complete metamorphosis.