. Bulletin. Natural history; Natural history. March 1938 ROSS: NEARCTIC CADDIS FLIES 145 Male.—Length 9 mm. Color mark- ings as in fig. 71. Head and thorax dark brown; abdomen light brown, covered with white hair; antennae and legs white; wings white with definite brown markings which form a broad, sacidle-shaped mark on the meson just beyond the middle and a rectangular spot on the anterior margin near apex; in addition to these, there are a few in- distinct, lighter markings in the anal and cubital region near the base of the wing and sparse mottling over the apical fourth ot the wing. Form

GLIX-115-RGWEBH

. Bulletin. Natural history; Natural history. March 1938 ROSS: NEARCTIC CADDIS FLIES 145 Male.—Length 9 mm. Color mark- ings as in fig. 71. Head and thorax dark brown; abdomen light brown, covered with white hair; antennae and legs white; wings white with definite brown markings which form a broad, sacidle-shaped mark on the meson just beyond the middle and a rectangular spot on the anterior margin near apex; in addition to these, there are a few in- distinct, lighter markings in the anal and cubital region near the base of the wing and sparse mottling over the apical fourth ot the wing. Form
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. Bulletin. Natural history; Natural history. March 1938 ROSS: NEARCTIC CADDIS FLIES 145 Male.—Length 9 mm. Color mark- ings as in fig. 71. Head and thorax dark brown; abdomen light brown, covered with white hair; antennae and legs white; wings white with definite brown markings which form a broad, sacidle-shaped mark on the meson just beyond the middle and a rectangular spot on the anterior margin near apex; in addition to these, there are a few in- distinct, lighter markings in the anal and cubital region near the base of the wing and sparse mottling over the apical fourth ot the wing. Form

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