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.
Easy rearing instructions for giant swallowtail butterfly: â¢ Keep egg in cup with lid on until the caterpillar hatches; this usually takes 11 to 13 days. Throughout this entire life cycle, keep caterpillar out of direct sunlight. â¢ Do not place food in cup until egg hatches.elease it within the second day. â¢ If this is the second brood of caterpillars for the season (after August 15 in our zone) chrysalis must be refrigerated after one to two weeks so they can overwinter to emerge in spring.