In this article we will discuss about the economic importance of insects. A. Beneficial Insects: Insects which produce honey, wax, lac, dyes and silk are commercially beneficial. Some insects are very helpful in destroying injurious insects. 1. Commercial Products: Apis, the honeybees produce millions of tons of honey every year, it also gives bees wax from its combs. Benefits of [...]
Mouth Parts in Insects! 1. Biting and Chewing: This type of mouth parts are supposed to be the most primitive type as the other types are believed to be evolved from biting and chewing type of mouth parts. These consist of the labrum forming upper lip, mandibles, first maxillae, second maxillae forming lower lip, hypo pharynx and the epipharynx. The [...]
In this article we will discuss about Culex:- 1. Habit and Habitat of Culex 2. External Features of Culex 3. Life History. Habit and Habitat of Culex: Culex pipiens is found in temperate regions all over the world, and Culex fatigans throughout the tropics and sub-tropics. Culex lives in houses, in cities and farms, and is abundant also in rural [...]