RELATIONSHIPS OF PREDACEOUS BEETLES TO TROPICAL FOREST WOOD DECAY .2. NATURAL-HISTORY OF NEOTROPICAL EURYCOLEUS-MACULARIS-CHEVROLAT (CARABIDAE-LEBIINI) AND ITS IMPLICATIONS IN EVOLUTION OF ECTO-PARASITOIDISM

被引:22
作者
ERWIN, TL [1 ]
ERWIN, LVJM [1 ]
机构
[1] SMITHSONIAN INST, NATL MUSEUM NAT HIST, DEPT ENTOMOL, WASHINGTON, DC 20560 USA
关键词
D O I
10.2307/2989713
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The natural history and behavior of E. macularis Chevrolat (Carabidae: Lebiini) are recorded for the 1st time. The role of this predaceous carabid beetle in tropical forest wood decay is discussed in detail. Predatory roles of other wood-associated carabid beetles are also discussed. A mimetic complex of beetles involving both larval and adult stages is shown to involve E. macularis. A hypothesis is offered to explain how carabid beetles evolved ectoparasitoidism with the life cycle of E. macularis representing an intermediate stage between free-living larvae and true ectoparasitoidism as found in Brachinus (bombardier beetles) and Lebia (colorful arboreal beetles). Immature stages of certain species of Amphix (Endomychidae) are the only food of E. macularis. Erotylidae (Priotelus sp., ?Homoeotelus sp.) and Tenebrionidae (Poecilesthus sp.) are involved in the mimetic complex with Eurycoleus.
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页码:215 / 224
页数:10
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