Giant mosquitoes with blood shots like a knife make many people confused.

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The Gallinipper mosquito with scientific name Psorophora ciliata possesses a painful injection like a knife.

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This wildly aggressive mosquito is about 20 times larger than a normal species so the danger level is even greater.

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Females often lay eggs on the moist soil near the shore where water is flooded with tropical rain.

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The eggs will wait until the flood season to grow.

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Mosquitoes Gallinipper lived in Florida longer than native people but never carried a contagious pathogen except a bone-stinging pain.

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Adult mosquitoes have wingspan of 7-9 mm.Most are yellow, black heads, white belly, with bright yellow stripes running down the body.

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In particular, males have a pair of rough beards to "tone" their children.

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Rhombus eggs are about 0.8 mm long, 0.4 mm in diameter and can lie on land for a long time.

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After hatching, these newborn Gallinipper were very fierce to attack smaller mosquito larvae, even tadpoles.

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With this characteristic, giant mosquitoes are being studied to be used as biological weapons to kill larvae, intermediate organisms that infect humans.

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The time when mosquito eggs grow to adulthood is only about 6 days.

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The red stain left by the mosquito Gallinipper left on the victim's arm.