COG BIOLOGY. 



Alliance 1. Dipteroid Neuroptera, Kie/erldme. No 

 wings ; gnaw skin, feathers and hair, mostly Bird-lice 

 -Philopterus, Liotheum. 



Alliance 2. Hymenopteroid Neuroptera, Blumen- and 

 Mulmlaiise, Thrips, Psocus, Termes. 



Alliance 3. JLepidopteroid Neuroptera, Phryyaneida 

 ( Wassermotten.) 



Fam. 2. Dictyopteroid Neuroptera, Raubboldcn. 



Alliance 4. Typical Neuroptera, Flohrfliegen, Panor- 

 pidae, Hemerobiidae, Myrmeleonidae. 



Alliance 5. Orthopteroid Neuroptera, Raphidiidae, 

 Mantispidae. 



Alliance 6. Hemipteroid Neuroptera , Ephemeridae, 

 Libellulidae. 



Order 5. Oniscal Flies Orthoptera. 



3524. Maxillae and dissimilar reticular wings; the 

 anterior, pergamentaceous ; abdominal rings, horny ; eyes 

 of moderate size ; pupa moveable. 



Live for the greatest part on plants. 



Fam. 1. Trackeopteroid Orthoptera, Saltatoria. 



Alliance 1. Dipteroid Orthoptera, Grylli. 



Alliance 2. Hymenopteroid Locustae. 

 Have a hard ovipositor, which reminds us of the sting in 

 the Hymenoptera. 



Alliance 3. Lepidopteroid Orthoptera, Acrydia. 



Fam. 2. Dictyopteroid Orthoptera, Cursoria. 



Alliance 4. Neuropteroid Orthoptera, Mantidae. 



Alliance 5. Typical Blattidae. 



Alliance 6. Hemipteroid Forficulidae. 



Order 6. Arachnoid Flies Hemiptera or Bugs. 



3525. Horny suctorial proboscis with puncturating 

 setae ; dissimilar reticular wings, the anterior mostly per- 

 gamentaceous, the posterior membranous, and mostly 

 capable of being folded up, as in the Chafers ; eyes small, 

 pupae moveable. 



The Bugs have much resemblance to the Mites, and 

 Spiders are as it were winged Mites. One party of them 



