HIPPODAMIA. 97 



confluentibus, angulo suturali rotundata, subtus nigra epiraeris me- 

 diis et posticis pallidis." L. '20 unc. Oregon. The spots vary con- 

 siderably. It is probable that H. sinuata Mute, is an extreme 

 form of this species. 



Hippodamia mcesta. 



Hippodamia mcesta, Lee. Proc. Phil. vn. 16 (1854). 



Rufescente-nigra, dense subtiliter punctulata, macula frontali 

 rhomboidea, thoracis margine laterali antice posticeque latiore, linea 

 ante medium guttisque dorsalibus 2 albis, elytris thorace latioribus, 

 macula laterali triangulari ad quadrantem posticum alba ornatis. 

 L. 3 lin. Oregon (Prairie Paso). 



Var. thorace angulis anticis solis triangulariter flavis. Van- 

 couver's Island. 



Hippodamia parenthesis. 



Cocchietta parenthesis, Say, Journ. Phil. iv. 93. 3 (1824). 

 Adonia parenthesis, Mute. Spec, p. 41. 3. 



Coccinella tridens, Kirby, Faun. bor. Am. p. 229. 311 (1838) T. 

 Hippodamia lunatomaculata, Mots. Bull. Mosc. (1845), p. 382. 

 Canada, United States, California. The thorax is broadly 

 sinuate behind the posterior angles. 



Hippodamia amoena. 



Coccinella amoena, Paid. Mem. Pet. (Sav. Mr.) H. 453. 96 

 (1835). 



Adonia amoena, Mute. Spec. p. 43. 4. 



Hippodamia scalaris, Gebler, Bull. Pet. I. P- 39 (1843). 



Eastern Siberia. Apparently the Asiatic representative of 

 H. parenthesis, from which it only differs in the increased amount 

 of black in the design of the elytra. 



Hippodamia arctica. 



Coccinella arctica, Schneid. Mag. f. Ent 148. 13 (1792). 

 Adonia arctica, Mute. Spec. p. 44. 6. 



Lapland. Differs by the black epimera, the stronger punctu- 

 ation, and more shining surface. 



Hippodamia constellata. 



Coccinella constellata, Lakh. Ins. Tyrol, i. 121. 6 (1781). 

 Coccinella mutabilis, Scriba,J.f. Ent. i. 183. 141 (1790). 

 Adonia mutabilis, Mids. Secur. p. 39. 1. 

 Adonia Doubledayi, Mate. Spec. p. 38. 1. (T.) 

 Hippodamia ripicola, Muls. Mon. p. 13. 10 (1866) T. 

 c. 13 



