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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Acalyptratae" » Sciomyzoidea » Black Scavenger Flies (Sepsidae)
Photo#1214911
Flies on sap flow - male
Copyright © 2016 John van der Linden

Flies on sap flow - Male
Twin Springs Park, Winneshiek County, Iowa, USA
April 16, 2016
This spring, in my area, this species has been feeding and breeding at sap flows opened by sapsuckers on sugar maple tree trunks. It has a habit of wing pumping. This year it's been one of the more common and reliably seen flies on sugar maple sap flows here, in my experience. Here it is blowing a bubble...a common behavior among the different types of flies on the sap flows I've observed.

Other individuals of the same species:


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Flies on sap flow - male Flies on sap flow
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Contributed by John van der Linden on 24 April, 2016 - 10:43pm
Last updated 30 September, 2017 - 6:33pm

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… John F. Carr, 12 May, 2016 - 7:59pm login or register to post comments

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