Predatory Relationship of Katydids and Mantids

Topics: Mantis, Life, Cockroach Pages: 1 (252 words) Published: March 27, 2013

Alangelico O. San Pascual
Crpt1, t-5L

Submitted to Roberta N. Garcia, PhD, College of Agriculture, UPLB In Partial fulfillment of the requirements for CropProtection 1 Laboratory


Insects are considered to be the dominator of the Earth due to their number present and mingling with the people and other life forms. In addition to that, insects include a wide variety of animals having six legs and three body regions. The co mingling of life forms made rise the symbiotic relationship among them. And a big parcel of this symbiosis is seen in the nutritive intake of life forms. Specifically in insects, the feeding and nutritive intake can be phytophagous, predatory, detrivory, parasitory and parasitoid. Predatory is common among the given methods and one example of insect that use this kind is a praying mantis. It is a predatory insect that commonly feed on leaf hoppers, grasshoppers, crickets And the grotesque feature of their catching legs does the every job of hunting, getting and eating. The forelegs of mantids are enlarged to cope with the feeding mechanism it harnesses.

To observe and document the predatory mechanism of praying mantis, its hunting mechanism and also its eating mechanism. Materials and Methods
The materials in observing the feeding behavior and process of hunting of mantids include a live mantid that was deprived for food for about a day kept in a glass bottle, and small katydids actively moving.
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