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| | Ants lurk for bees, but bees see ambush: Science News Online, March 22, 2003 (Site not responding. Last check: ) |
 | | A tropical ant has perfected the un-antlike behavior of hunting by ambush, but its prey, a sweat bee, has developed some tricks of its own. |
 | | Predator recognition and evasive behavior by sweat bees, Lasioglossum umbripenne (Hymenoptera: Halicitidae), in response to predation by ants, Ectatomma ruidum (Hymenoptera: Formicidae). |
 | | Ambush predation by the ponerine ant Ectatomma ruidum Roger(Formicidae) on a sweat bee Lasioglossum umbripenne (Halictidae), in Panama. |
| www.sciencenews.org /20030322/note15ref.asp (104 words) |
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