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Tabanidae of Canada, east of the Rocky Mountains 1: a ...

Tabanidae of Canada, east of the Rocky Mountains 1: a ...

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Chrysops furcatus Walker<br />

Length 7-10mm. Best identified by <strong>the</strong> combination <strong>of</strong> wing, face and pattern on <strong>the</strong> first<br />

two tergites. Central black area <strong>of</strong> tergite 1 joined to parallel-sided median geminate mark<br />

on tergite enclosing a median pale triangle. Rest <strong>of</strong> abdomen variable: tergite 2 may have<br />

black sublateral marks <strong>of</strong> varying size and density but <strong>of</strong>ten just yellow; tergites 3-5 can<br />

vary in <strong>the</strong> amounts <strong>of</strong> black and yellow.<br />

Variations. Abdomen plate. Face plate. Distribution map.<br />

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