In New York City there are fifty-one different types of mosquitoes. Most mosquitoes do not transmit disease and some do not bite humans at all. Some mosquitoes have the ability to spread diseases like West Nile virus. From April 1 through October 31, the city monitors mosquito populations and conducts activities to reduce the number of mosquitoes.
Monarch butterfly eggs are somewhat difficult to find in the wild. Since it only takes 3-5 days for eggs to hatch, timing is crucial. The best sign is to watch for adult Monarchs stopping at milkweed plants. A female will usually lay only one egg per milkweed plant to ensure enough food for each larva.onarch butterfly eggs are somewhat difficult to find in the wild. Since it only takes 3-5 days for eggs to hatch, timing is crucial. The best sign is to watch for adult Monarchs stopping at milkweed plants. A female will usually lay only one egg per milkweed plant to ensure enough food for each larva.
First as an egg, then as a caterpillar, next as a pupa in its chrysalis, and finally, it emerges as a butterfly. This entire process takes about four weeks from start to finish; although the warmer it is, the shorter the cycle. Egg. A butterfly begins as an egg, laid on the underside of a milkweed leaf. Inside is a tiny caterpillar, but youâll have to look closely to see it since the eggs are very small â only about the size of a pinhead! A female Monarch will lay one egg at a time, up to 500! They lay so many because only about one in 20 make it to adulthood.