HOW TO KNOW THE INSEOS 



66. Adelldae Very small moths v;lth very long fine antennae. 



67. Prodoxldae The Yuoca moths, and others. 



68. Mlcropterygldae . . The I.landlbulate Jugates. Small family of small 



moths. 



69. Heplalldae The Swifts. Medium to large size, narrow wings. 



XXII Order MECOPTERA (The Scorpion Files), Etc. 



*( Insects of New York) 



1. Panorpldae Scorpion files. In damp woods. 



2. Boreldae Wingless winter forms; on moss. 



3. Blttacldae Resemble crane files. 



XXI 11 Order DIPTERA (The Two-winged Flies) 



*( Families from North American Dlptera. Curran, 

 Special catalog for species.; 



2. 

 3. 



4. 



5. 



6. 



7. 



8. 



9. 



10. 



11. 

 12. 

 13. 

 14. 

 15, 



16. 



17. 



18. 



19. 

 20. 



21. 

 22. 



Tanyderldae . . 



Ptychopteridae. 

 Trichocerldae . 



Tlpulldae . . . 



Anlsopodldae. . 



Blepharlceridae 



Slmullidae. . . 



Thaumeleidae. . 



Chlronomldae. . 



Ceratopogonldae 



Psychodldae 

 Dlxldae . . 

 Cullcldae . 

 Cecldomyldae 

 Sclarldae . 



l.'ycetophllldae 

 Biblonldae. . 

 Scatopsldae . 



Rachlcerldae. 

 Strati omyldae 



Coenomylldae . 

 Tabanldae . . 



The Primitive Crane Files. Only three species known 

 to North America. 



The False Crane Flies; larvae in wet organic earth. 



The Winter Crane Flies; sometimes abundant during 

 warm winter days; most abundant during spring and 

 fall. 



(51) The Typical Crane Flies; a large family of 

 fragile long-legged flies. 



Near edges of woods and swamps and on trunks of 

 trees. 



The Net-winged Midges; most abundant near fast-flow- 

 ing streams. 



The Black Flies; small, vicious, biting flies near 

 streams. 



Along the edge of streams, particularly where moss 

 is present. 



The Midges; mostly harmless, mosquito-shaped 

 insec'ts. 



The Biting Midges; very small, slender flies; found 

 along ?/ater courses. 



The Moth Flies; tiny broad hairy-winged flies. 



The Dlxa Midges; near running water. 



The Mosquitoes; slender scaly winged flies. 



The Gall Midges; tiny gall-making flies. 



The Dark Winged Fungus Gnats; around fungi in moist 

 places. 



The Fungus gnats; moderately small, slender flies 

 found around fungi . 



The March Flies, slender, small to medluin sized 

 flies, frequent in early spring. 



The Minute Black Scavene;ers. Tiny black or broim 

 flies breeding in decaying vegetation. 



I/.edium sized, elongate flies. 



. (31) The Soldier Flies; often brightly marked, 

 around flo'vers. 



. Medium to large flies found in moist woods. 



. (34) The l-iorse Flies; swift-flying Mood suckers. 



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