saliva acts as an anti coagulant in female mosquitos
Female mosquitoes inject saliva that contains a complex mixture of proteins and enzymes when they bite. This saliva serves multiple purposes: it acts as an anticoagulant to prevent blood clotting, facilitates feeding, and can also contain immune-modulating substances to enhance their feeding efficiency. Some components of mosquito saliva can trigger allergic reactions or transmit diseases such as malaria and dengue fever.
bite
Mosquitoes bite people with Malaria and then bite a person without Malaria and introduce it into the new person's blood when they inject their anticoagulant to keep the blood liquid while feeding. Mosquitoes are a "vector" for Malaria.
Male mosquitoes can be distinguished from female mosquitoes by their antennae. Male mosquitoes have bushy antennae, while female mosquitoes have more slender and less bushy antennae. This physical difference can help in determining the gender of a mosquito.
The female bites, she needs a 'blood meal' before she lays eggs. It is only the female mosquitoes that bite.
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Antithrombin
Mosquitoes do not technically have "prey" as they are parasites, not predators. Female adult mosquitoes require a blood meal, usually from a mammal, to create their eggs. Male and immature female mosquitoes feed only on flower nectar.
Male mosquitoes do not bite humans or animals because they do not feed on blood. Female mosquitoes, on the other hand, require blood to develop their eggs and are the ones responsible for biting. Additionally, male mosquitoes have bushier antennae compared to females.
Adult female mosquitoes tend to be larger than males. Male mosquitoes have plumose (feather-like or "fuzzy" antennae) and longer palps. Behaviorally, male and female mosquitoes are also distinct in some ways. For example, only female mosquitoes take blood meals. Males subsist only on plant juices. Mosquitoes are also protandrous, meaning that the males tend to emerge as adults before females.
Female Mosquitoes
female mosquito fish have black dot in front of their butt.