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

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Characteristics <strong>of</strong> <strong>the</strong> family <strong>Tabanidae</strong><br />

Subscutellum strongly developed (only slightly enlarged in Stonemyia) although usually<br />

hidden below <strong>the</strong> large scutellum (Fig. 4b)<br />

First abdominal tergite deeply notched at middle <strong>of</strong> hind margin (Fig. 4b)<br />

Upper and lower calypteres large and subequal (Fig. 4c)<br />

Fig. 4a, b. Dorsal view <strong>of</strong> Hybomitra affinis.<br />

Fig. 4c. Base <strong>of</strong> right wing <strong>of</strong> female Tabanus novaescotiae Macquart.<br />

page 4 <strong>of</strong> 4<br />

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