In the broadest circumscription, Insecta sensu lato consists of all hexapods. Traditionally, insects defined in this way were divided into "Apterygota" (the first five groups in the table) – the wingless insects – and Pterygota – the winged insects.
Illustration of insect. insect 1b: 1 labial palpus, 2 maxillary palpus, 3 simple eye, 4 antenna, 5 compound eye, 6 prothorax, 7 tympanum, 8 wing, 9 ovipositor, 10 spiracles, 11 abdomen, 12 metathorax, 13 mesothorax
Insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, jointed legs, and external skeletons (exoskeletons).
The russet of oranges is caused by the bite of an insect on the skin. The paper was a contribution to the life-history of this minute insect. No; the spirit of a lion is not to be roused by the teasing of an insect.
Insect definition, any animal of the class Insecta, comprising small, air-breathing arthropods having the body divided into three parts (head, thorax, and abdomen), and having three pairs of legs and usually two pairs of wings.
Insect respiration happens without lungs.There is a system of internal tubes and sacs through which gases diffuse or are actively pumped.Air is taken in through openings on the sides of the abdomen called spiracles.
a. Any of numerous arthropod animals of the class Insecta, having an adult stage characterized by three pairs of legs and a body segmented into head, thorax, and abdomen and usually having one or two pairs of wings. Insects include the flies, cricke
A to Z of insects. The world of insects is as fascinating as it is diverse. You can find out information by browsing the list of insect orders or using this A to Z list:-