DIPTHRA. 44) 
Genus TIPULA, Linn. 
Tiruta simutata, Fem. 
Fusca, cano tomentosa; palpi nigri; antenne nigra, selucee, pilose, 
basi fulve, thoracis dimidio vie longiores; thorax fusco vittatus ; 
abdomen testaceo varium, fusco fasciatum et univittatum, apice fer- 
rugineum; pedes ferruginei, graciles, subpilosi, tarsis apice nigris ; 
ale alba, maculis nonnullis fuscis ; halteres testacei, apice nigri. 
Brown, with hoary tomentum. Palpi black. Antenne black, seta- 
ceons, pilose, tawny at the base, hardly more than half the length of the 
thorax. Thorax with indistinct brown stripes. Abdomen partly dull 
testaceous, with a brown stripe ; each segment with an imperfect brown 
band; tip ferruginous. Legs ferruginous, slender ; tibia and tarsi very 
minutely pilose; tarsi black towards the tips. Wings white, with 
several brown spots, which are darkest along the costa; veins black, 
Halteres testaceous, with black knobs. Length of the body 10 lines; of 
the wings 18 lines. 
Canada. 
Treuna pLatyMERA, Mas, 
Fusca, cano tomentosa ; caput antice fulvum ; antenne setacea, verticil- 
lato pilose, thorace vix breviores, articulis fusco fusciatis ; thorax 
fusco vittalus ; abdomen ferrugineum, fusco bivittatum ; pedes fulvi, 
tarsis apice fuscis; ale fuscescentes, maculis nonnullis albidis tri- 
busque subcostalibus obscure fuscis ; halteres testacet. 
Brown, with hoary tumentum. Proboscis, palpi and antenne tawny. 
Antenne setaceous, verticillate pilose, nearly as long as the thorax; 
joints alternately globose and elongated; the globose joints brown. 
Thorax with five brownish stripes. Abdomen ferruginous, with a brown 
stripe along each side. Legs tawny, moderately long and slender ; tarsi 
brown towards the tips. Wings brownish, with several whitish spots, 
and with three dark brown spots towards the costa; veins black, tawny 
at the base and along the costa. Halteres testaceous. Length of the 
body 8 lines ; of the wings 20 lines. 
Canada. 
