Mosquito Pupa

Mosquito Pupa All Mosquitoes develop in still or very slow moving water. Mosquitoes develop through four stages: egg, larva, pupa and adult. There are at least fourteen species of mosquitoes found locally within the District. Some mosquitoes lay single eggs that float on the water's surface. Others types lay their eggs attached in batches that float on swamps and ponds. The most pestiferous mosquitoes lay eggs on damp ground that periodically floods. The eggs hatch when rain, rising river currents or irrigation water flood marshy ponds, ditches, woodland pools and irrigation fields. Eggs can remain viable for several years and do not all hatch with the next flooding.Mosquito larvae live just below the water's surface and breathe directly from the surface by means of a siphon tube located on the rear of their bodies. Larvae feed on small organic particles suspended in water and grow by molting four times with the final molt resulting in a non-feeding pupal stage. After the transformation is complete, the new adults split the pupal skin and emerge. The development of larvae to adult stage requires 6 to 10 days depending on water temperature and the mosquito species.Adult mosquitoes are usually less than 1/4 of an inch long with long slender legs and a single pair of wings. They can be distinguished from all other flies by the presence of a long piercing mouthpart (proboscis) and scales along the wing veins.

Credit
Science Source / Phil Degginger

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3464 x 4408 pixels

Print Size @ 300 dpi
12 x 15 inches / 29 x 37 cm

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