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New World Skin Bot Flies (Cuterebrinae)
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Rodent and Lagomorph Bot Flies (Cuterebra)
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fontinella group (Cuterebra fontinella group)
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Mouse Bot Fly (Cuterebra fontinella)
Photo#552607
Copyright © 2011
debbysphotos
Bot fly. -
Cuterebra fontinella
-
Orr's Island, Maine, USA
July 26, 2011
Size: like a small bumblebee
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Contributed by
debbysphotos
on 26 July, 2011 - 11:00pm
Last updated 27 July, 2011 - 8:49am
Moved
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v belov
, 27 July, 2011 - 8:06am
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Cuterebra fontinella female
Nice shot. By your location in Maine there are not many choices for bots. I have spent a lot of time on Orrs island (doing work on browntail moth) and its a beautiful area. This is Cuterebra fontinella, and it appears to be female by the wide spacing between the eyes. The key ID feature on these guys is a white rump, which is hard to see in your photo but present. This species is a parasite of white-footed mice, Peromyscus leucopus. The larvae are common in the groin of mice in Aug through late Sept. I have had years where 80% of mice were carrying one or more of these flies and mice can reach densities of over 100 per hectare (2 1/2 acres). So this should be one of our most common bots, although adults are rarely seen. A fun find. Nice to know the adults are flying now.
Jeff
…
George "Jeff" Boettner
, 27 July, 2011 - 6:13am
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bot fly, rather -- nice shot! looks like Cuterebra fontinella
not closely related to bee flies
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v belov
, 26 July, 2011 - 11:06pm
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Thanks for the information.
Thanks for the information.
…
debbysphotos
, 27 July, 2011 - 6:56am
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