198 OTHER MEMBERS OF THE CLASS — INSECTA 



Types of Order. 



Homarus americanus — Lobster. 

 Cambarus species — Crayfish. 

 Crangon vulgaris — Shrimp. 

 Eupagurus longicarpus — Hermit crab. 

 Cancer irroratus — Crab. 

 ChioruBcetes opilio — Arctic spider crab. 

 Gelasimus pugnax — Fiddler crab. 

 Order — Arthrostraca. 

 Type of Order. 



Oniscus species — Sow bug. 

 Class — Arachnida. 



Order — Scorpionida. 

 Type of Order. 



Buthus carolinus — Scorpion. 

 Order — Araneida. 

 Types of Order. 



Epeira species — Spider. 

 Mygale species — Trapdoor spider. 

 Eurypelma hentzii — Tarantula. 

 Order — Acarina. 

 Types of Order. 



Boophilus annulatus — Cattle tick. 

 Teiranychus telarius — Red spider. 

 Dermacentor americanus — Dog tick. 

 Class — Myriapoda. 



Order — Chilopoda. 

 Type of Order. 



Scwtigera forceps — Centiped. 

 Order — Diplopoda. 

 Type of Order. 



Julus nemorensis — Milliped. 

 Class — Insecta. 



Order — Orthoptera. 

 Types of Order. 



Schistocerca americana — Locust. 

 Gryllus species — Cricket. 

 Microcentrum retinervis — Katydid. 



