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 [...]
The following points highlight the thirty-six representative types of Arthropoda found in the world. Some of the types are: 1. Limulus 2. Spider 3. Aranea 4. Mites 5. Sarcoptes 6. Ixodes 7.Apus 8. Daphnia 9. Cypris 10. Cyclops 11. Lepas 12. Balanus 13. Sacculina 14. Mysis 15. Oniscus 16. Squilla 17. Hippa 18. Eupagurus 19. Cancer (Crab) 20. Julus 21. [...]
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 [...]