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Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Giant Water Bug Genus Belostoma (Toebiters)

Specimens of the Giant Water Bug Genus Belostoma

2 Adults

Recent Discussions of Belostoma

Anyone else find these to be important?
2 replies
Posted by Troutnut on Jul 26, 2006 in the species Belostoma flumineum
Last reply on Oct 9, 2006 by GONZO
Back when I was just starting to learn to fly fish and still kept quite a few fish, I autopsied the stomachs of a couple 17-19 inch brown trout in August and found them packed with these Belostoma flumineum bugs.

I haven't tied a reasonable imitation yet, but if those fish (from a few miles apart on the same river) were so fond of them an imitation is probably a great idea. It would be good to figure out where and when these things are important.

None of the fly fishing literatue I've seen has dealt with them at all, except for mentioning their existence in passing.

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Species in Belostoma
Belostoma flumineumElectric Light Bug217
8 species (Belostoma bakeri, Belostoma confusum, Belostoma ellipticum, Belostoma flusciventris, Belostoma lutaria, Belostoma saratogae, Belostoma subspinosa, and Belostoma testaceum) aren't included.
Genus Range
Common Name
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