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Cutaway diagram of a barnacle, with antennae highlighted by arrow. Crustaceans bear two pairs of antennae. The pair attached to the first segment of the head are called primary antennae or antennules. This pair is generally uniramous, but is biramous in crabs and lobsters and remipedes.
The lenght and number of these Flagellomeres determine the lenght and size of the antennae which can vary between, but also within, different species of insects. The number and form uf these units is an important factor in determing species and sub-species. Date: July 2006: Source: Own work: Author: L. Shyamal: Permission (Reusing this file) cc ...
Some moths have knobbed antennae akin to those of butterflies, such as the family Castniidae. [18] Antennae are the primary organs of olfaction (smell) in Lepidoptera. The antenna surface is covered with large numbers of olfactory scales, hairs, or pits; as many as 1,370,000 are found on the antennae of a monarch. Antennae are extremely ...
Two examples of near-field sound communication are bee's waggle dance and Drosophila courtship songs. [12] In fruit flies, the arista of the antennae and the third segment act as the sound receiver. [12] Vibrations of the receiver cause rotation of the third segment, which channels sound input to the mechanoreceptors of the Johnston's organ. [12]
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The development of insect mouthparts from the primitive chewing mouthparts of a grasshopper in the centre (A), to the lapping type (B) of a bee, the siphoning type (C) of a butterfly and the sucking type (D) of a female mosquito. Legend: a, antennae; c, compound eye; lb, labium; lr, labrum; md, mandibles; mx, maxillae; hp hypopharynx.
Stylized diagram of insect digestive tract showing malpighian tubule, from an insect of the order Orthoptera. The first section of the alimentary canal is the foregut (element 27 in numbered diagram), or stomodaeum. The foregut is lined with a cuticular lining made of chitin and proteins as protection from tough food.
English: Insect anatomy scheme Tagmata A- Head B- Thorax C- Abdomen antenna; ocelli (lower) ocelli (upper) compound eye; brain (cerebral ganglia) prothorax; dorsal artery; tracheal tubes (trunk with spiracle) mesothorax; metathorax; first wing; second wing; mid-gut (stomach) heart; ovary; hind-gut (intestine, rectum & anus) anus; vagina ...