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Book Fauna Palaestina 4 Year 2014 By Prof Dr Norman Ali Bassam Khalaf von Jaffa ISBN 978-9950-383-77-7

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laying. Such a strategy amounts to the production of trophic eggs<br />

(Wikipedia).<br />

Some species in the subfamily Epilachninae are herbivores, and<br />

can be very destructive agricultural pests (e.g., the Mexican bean<br />

beetle). Again, in the subfamily Coccinellinae, members of the<br />

tribe Halyziini and the genus Tythaspis are mycophagous<br />

(Wikipedia).<br />

Spherical or Bullet Ladybird Beetle (Oenopia conglobata) from<br />

Palestine. Photo by Oz Rittner. http://www.nature-ofoz.com/coccinellidae.htm<br />

While predatory species are often used as biological<br />

control agents, introduced species of coccinellids are not<br />

necessarily benign. Species such as Harmonia axyridis or Coccinella<br />

septempunctata in North America outcompete and displace native<br />

coccinellids and become pests themselves (Wikipedia).<br />

The main predators of coccinellids are usually birds, but they are<br />

also the prey of frogs, wasps, spiders, and dragonflies. The bright<br />

colours of many coccinellids discourage some potential predators<br />

56

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