HOW TO KNOW THE INSECS 



56. Asteildae Small files. 



57. Opomyzldae Small; wings sometimes pictured; In moist places. 



58. Agromyzldae .... The Leaf miners. Small, the larvae mine the leaves 



of many plants. 



59. Phyllomyzldae . . . Small, usually black; often found sunning them- 



selves. 



60. Chloropldae .... (22) The Frit Files. Small, bare; larvae live In 



many plant stems. 



61. Ephydrldae The Shore Files. Small; along marshes, swamps and 



water courses. 



62. Canaceldae Very small; along sea shore. 



63. Dlopsldae The Stalked-eyed Files; but one species known to 



North America. 



64. Borborldae Small, black or brown; scavengers. 



65. Cluslldae Wings marked with black or brown; In moist places. 



66. Chamaemyldae. . . . Small grayish files. 



67. Tetanocerldae . . . The Marsh Files. 



68. Chyromyldae .... Small files. Som.etlmes with pictured wings. 



69. Legamerlnldae . . . Tropical. 



70. Psllldae The Carrot-rust Fly and other plant feeders. 



71. Coelopldae Along sea shore. 



72. Helomyzldae .... Lledium size; scavengers. 



73. Dryomzldae Moderate size; along water courses. 



74. MuGCldae (28) The house fly and many smaller pests. 



75. Gasterophilidae . . The Horse Bot Files. One genus of but three species. 



76. LCetoplldae (33) The Flesh Flies. Flesh feeders, parasites or 



scavengers. 



77. Cuterebridae. . . . The Robust Bot Files. Parasitic on rodents. 



78. Oestrldae The Bot Flies. Medium to large size, usually cov- 



ered with long fine hairs. 



79. Tachinidae (65) The Tachlnlds. Rather heavily bristled. Para- 



sitic on other insects. 



80. Braulidae The Honey-bee Parasite. But one species; found in 



bee hives. . 



81. Hippoboscidae . . . The Bird Parasite Files. Often r/ingless; the 



Common Sheep tick, etc. 



82. nycteribiidae . . . Resemble spiders; wingless, parasitic on bats. 



83. Streblldae The Bat Flies; mostly parasitic on bats. 



XXIV Order SIPHONAPTERA (The Fleas) 



*( Insects of New York, with modifications) 



1. Pulicidae Our most common fleas; pests of man and his domestic 



animals. Eyes usually present. Only a single row 

 of setae on an abdominal terglte. 



2. Dollchopsyllldae . . The largest fajiiily of fleas. Abdominal tergltes 



with more than one row of bristles. Many species 

 have no eyes. 



3. Kystrlchopsyllldae . Mostly on rodents, some quite large. 



4. Macropsyllldae ... A small family restricted to Australia and South 



America. 



5. Ichnopsylli Jae . . . Confined to bats. 



6. Hectopsyllldae . . . Thorax very much reduced. The sticktlght flea of 



poultry, cats, and dogs. 



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