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GUIDE TO CALIFORNIA INSECTS. 



Ceuthophilus: wingless. Tropidischia: hind tibiae spined on both sides. Gam- 

 haurotettix: front tibiae hollowed out beneath. Prixocnemis and Udeopsylla: 

 palpi short, the last with third joint shorter than fifth. 



Tropizaspis: with short useless wings and prosternum with two spines. 



Calcopteris: with short useless wings. Anabrus: front tibiae spined above on 

 both margins. Atelophus: with but one spine above. Clinopleura: with four. 

 Idiostatus: with feeble lateral carinas on thorax. Steiroxys and Idionotus: with 

 earinae well developed and divergent behind in the last. 



Scudderia. Dichopetata: front coxae unarmed. Arethasa: hind margin of wings 

 sinuate. Platylyra: front wingsas long as hind wings. 



Figure 329. Common California Itatydids. A Scuderia 

 simplex. C. Ceuthophilus pacificus Ateloplus notatus. 

 lar-is. 



-Purcifera. B. Anabris 

 E. Stenopelmatus irregu- 



Anabrus simplex 

 Arethasa consuetipes Scud. 

 Arytropteris steindachneri- 

 pis. 



Ateoplus notatus Scud. 

 Calcopteris sequalis Scud. 

 -Tropizas- femorata Scud. 



fuscopunctatus Scud. 



