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The Praying Mantis the Author Is R University of California Vegetable Research and Information Center The Praying Mantis The author is R. L. Doutt, Professor of Entomology, Emeritus, Division of Biological Control, Parlier. The praying mantis, because of its appearance and support such a belief. In addition, the fact that the attitudes, is a fascinating insect and a worthwhile mantis is a general feeder and has only one full subject for nature study. Furthermore, its habit of generation each year would further tend to minimize feeding on other insects tends to clothe it with a the effectiveness of the praying mantis as a biological certain degree of respectability. Writers of articles control agent. in newspapers, Sunday supplements, and national magazines have seen the posture of prayer in the Biological control of pests has been well mantis' folded forelegs. When this is coupled with demonstrated in California on many occasions and the alleged good deeds of the predaceous insect, it its tremendous value to agriculture is obvious. is easy to capture the public fancy and to attribute However, in each case of biological control, the some rather sensational accomplishments to the agent used has been one closely associated with praying mantis. the pest--not a general, indiscriminate feeder. The biological control agents that are effective are In recent years, mantis egg packets have been offered those that respond quickly to changes in the for sale by enterprising collectors, and these are numbers of a pest insect, exerting their greatest worthwhile if purchased merely for the purpose of effect whenever the pest population starts to observing the life history of an interesting insect increase. The praying mantis is not this type of species. However, people have occasionally insect and, accordingly, is considered to be of purchased these packets with the misapprehension negligible value in biological control. that the mantises, hatching from these eggs would control insect pests. There are no general data to Division of Agricultural Sciences LEAFLET UNIVERSITY OF CALIFORNIA 21019 Page 1 University of California Vegetable Research and Information Center In the interest of setting the record straight, it may called "Santa Teresa"; in Germany, praying be worthwhile to examine some facts about mantises are called "Fangheuschrecken" (praying praying mantises. crickets) or "Gottensanbeterinnen" (worshippers of God). They have also been called the Hottentot's The praying mantis derives its name from the form God, nuns, saints, mendicants, and preachers. of its peculiar front legs, which are adapted for seizing and holding prey. One segment of the leg, The habit of the insect belies its name, however. It the femur, has a groove that is armed on both sides is a veritable tiger, is strictly carnivorous, and by a row of spines. The next segment of the leg, feeds on almost any insect of a size it can the tibia, snaps into this groove like the blade of a overcome. Since mantises often tend to wait for pocketknife. The mantis sits motionless with these their prey at flowers, the pollen and nectar feeders powerful, raptorial forelegs raised together in front are frequently their victims. In fact, adult honey of its body. This curious attitude suggests one of bees are recorded as the favorite food of one supplication and, as a consequence, these insects species. The mantis is markedly cannibalistic and have been given appropriately descriptive names. will feed readily on any insect that is alive and In England, they are called praying insects, and moving. After mating, the male mantis is one European species is named religiosa. The frequently devoured by the female. Moslems maintain that the mantis prays with its face toward Mecca. In Andalusia, the mantis is The University of California Cooperative Extension in compliance with the Civil Rights Act of 1964, Title IX of the Education Amendments of 1972, and the Rehabilitation Act Oft 973 does not discriminate on the basis of race, creed, religion, color, national origin, sex, or mental or physical handicap in any of its programs or activities Inquiries regarding this policy may be directed to Affirmative Action Officer, Cooperative Extension, 317 University Hall, University of California, Berkeley, California 94720, (415)642-0931 Issued in furtherance of Cooperative Extension work, Acts of May 8 and tune 30, 1914, in cooperation with the United States Department of Agriculture, lames B Kendrick, Ir. Cooperative Extension, University of California Page 2 .
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