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PLATE CCLXX. 



GRYLLUS MIGRATORIUS. 



Migratory Locust. 



GENERIC CHARACTER. 



Head inflected, armed with jaws, and furniflied with palpi. Wings 

 wrapped round the fides of the body, and concealed under the elytra. 

 Feet armed, with two nails. Pofterior legs formed for leaping. 



SPECIFIC CHARACTER 



AND 



STNONTMS. 



Thorax of one fegment, and fomewhat keeled, or rifing in a lon- 

 gitudinal line, in the middle ; mandibules blue. 



Gryllus MiGRATORius : thorace fubcarinato : fegmento unico, 

 mandibulis coeruleis. Linn. Syji, Nat. 2. 700. 41. — ■ 

 Fn. Sv. 871. 



Roef. Inf. 2. Gryll. tah. 24. 

 Edw. birds. 208. tah. 208. 

 Degeer. Inf. 3. 446. i. tab. 21. fig. I. 

 Seb. Muf. 4. tab. ^$. fg. 2l. 



The Gryllus Migratorius, or Migratory Locuft, has always been 

 claffed amongft the Infefts of this country on local authority. It 

 certainly vifited Great Britain in the year 1748, and feveral fmall 

 flacks of them were feen in the environs of London, where they 



caufed 



