“The most dangerous animal on Earth is the Mosquito.” – Dr. Bobby Corrigan
CULEX tarsalis: This is the Encephalitis mosquito, carrier of the dreaded West Nile Virus Disease. It bites at dawn and dusk but it will also feed during night time.
CULEX pipiens: The northern house mosquito (wing length only 1/8”) breeds only in water entrapped in tree holes, tin cans, gutters, rain barrels and catch basins. This species is the carrier of St. Louis Encephalitis. It inflicts severe bites on humans.
NOTE: There are several other important species of culex mosquitoes. Disease transmission occurs when a mosquito bites (feeds) on an infected bird or mammal and then feeds on a human. Only the adult female can bite as the male is a nectar feeder with mouthparts not made for puncturing.
Biology: Mosquitoes are commonly separated into 3 groups based on where and how their eggs are laid. After a blood meal, the female will lay her eggs: (1) singly on water, eggs with floats, usually hatch within a few days, e.g. Anopheles; (2) in rafts on water with up to 100+ eggs per raft, usually hatch within a few days, e.g. Culex; and (3) singly in semi-dry places such as moist soil near water, do not hatch until water has risen and inundated them, can lie dormant for 3-5 years, e.g. Aedes
With water present, eggs hatch in a few days into larvae which are commonly called wigglers because of their jerky movements. All larvae live in water and go through 4 instars and 4 molts. Larvae of most species (e.g. Aedes, Culex, etc.) take in air through a breathing tube (siphon) located on the 8th abdominal segment which penetrates the water surface while they float at an angle just below the surface. Other species (e.g. Anopheles) have a spiracular plate on the 8th abdominal segment which penetrates the surface while they float parallel to and just below the surface, their buoyancy enhanced by clusters of float hairs (palmate hairs) on some abdominal segments.
Mosquitoes serve as vectors of many important diseases affecting humans including malaria, yellow fever, dengue fever, filariasis, and encephalitis.
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What are the different symptoms of Bed Bug bites and Mosquito bites?
Mosquito bites typically occur at dusk or at night as mosquitoes swarm. Spring and summer seasons are worst. Mosquito bites typically occur hours or days later. Redness and itching on and around bites is common. Swelling may occur as itching aggravates bite sites. Mosquitoes are carriers of Malaria, Yellow fever, Dengue fever, West Nile fever and other illnesses.
BED BUG BITES:
Bed bug bites create large wheels of bites made in orderly rows. Itching and skin redness on and around bite site are common. Localized swelling and the formation of blisters may occur. Occasionally, small losses of skin tissue occur. Bite wheels gradually are reduced to red marks which gradually fade over a few days. Bed bugs have not scientifically been shown to be vector/agents of disease(s) except skin irritations and/or lesions.
NOTE: To view separate pages on both Bed Bugs and Mosquitoes, please click the button for each.