Family 10. SIHULIID/E. Dliick Flies Unlike the foregoing families, they like hot sunshine, and 

 they are one ot the greatest jjests where they abound. Their larva; live in swift-flowing streams. Their feelers 

 are short, but composed of many joints ; their boily more robust, and legs stout, but heads small. This family 

 and the next connect the mosquito tribe with the flies. 



SmULIUM. Black Fly. 



S. molestum. -^^ in. ; the Adirondack black fly, which is very bloodthirsty. 



5". innoxiujn. yg^ in. ; does not bite. 



S. pecuaruDi. The soutiiern Buflalo-gnat. 



6" meridionale. The Turkey-gnat. 



Family n. BIBIONID/C. March Flies. Hair Midge. Like last family, but differs 



in veins of wing. Does not liite, and its larvas live on roots and decaying vegetable matter. 



£. thoracica. j^ in. ; black ; chest and shanks reddish. 



^. riifithorax. y% in. ; black ; chest onlv yellowish-red. 



B. femorata. 3,'s in. ; black, with yellow hair and chestnut-colored shanks. 



jB. xanthopus. ^ in. ; black, with yellow bloom ; black legs and yellow wings. 



B. hctcroptera. -^-^ in. ; black, with smoky wings. 



B. albipennis. -f-^ in. ; shiny black, whitish, hairv ; wing white with brown veins. 



B. articulata. ^ in. ; chest and legs yellow ; head and bodv black. 



B. pallipes. black ; white, hairy, with yellow legs and wings. 



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