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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.
The development of insect mouthparts from the primitive chewing mouthparts of a grasshopper in the center (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
Modifications of the labrum (in red) in assorted insects. (A) grasshopper, (B) honey bee, (C) butterfly (D) mosquito. Bembix rostrata female using its labrum in sucking the blood out of a fly. The labrum is a flap-like structure that lies immediately in front of the mouth in almost all extant Euarthropoda.
Among the many aquatic insects that catch mosquito larvae are dragonfly and damselfly nymphs, whirligig beetles, and water striders. Vertebrate predators include fish such as catfish and the mosquitofish , amphibians including the spadefoot toad and the giant tree frog , freshwater turtles such as the red-eared slider , and birds such as ducks.
The forelegs are reduced in the Nymphalidae Diagram of an insect leg. The thorax, which develops from segments 2, 3, and 4 of the larva, consists of three invisibly divided segments, namely prothorax, metathorax, and mesothorax. [11] The organs of insect locomotion – the legs and wings – are borne on the thorax.
Mosquito bites itch for a day or two, but they don’t bleed. (If the mosquito starts feeding and is swatted, blood can splatter, making it look like the bite bled.) Highly sensitive people can ...
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There are very few winners in the climate crisis, but scientists are pretty sure there’s going to be at least one: Mosquitoes.