304 



3. 31. bicntcis. 



Lyga'MS Mcrucis, Say, Journ. Acad. Pbila. iv, 322, No. 3. 



Lygceus flavomargineUus, Stal, Eugenics Eesa, Ins. 241. 



Lygcrus rulescens, Stal, Eio Hemipt. Fauna, i, 37. 



Lt/gcF.us litransversus, Signoret, Ann. Soc. Ent. France, ser. 3, viii, 947. 



Melanocoryplms Mcrucis, Stal, Enumeratio Hemipt. iv, 113, No. 6. 



Inhabits California (J. Behrens), Nevada, New Mexico, Texas, Louis- 

 iana, Kansas, Missouri, and the Southern States east into Georgia and 

 Florida. It is rare in Maryland, and extends as far south as Rio Janeiro, 

 Brazil. 



Its food-plant has not yet been reported, and it is hoped that western 

 collectors will direct their attention to its habits, and make them known. 



4. M. facetus. 



Lygmis facetus, Say, Heteropt. New Harmony, 13, No. 2. 

 Melanocoryphus facetus, Stal, Enumeratio Hemipt. iv, 113, No. 9. 



Inhabits Texas, Mexico, California, Florida, New Jersey, Louisiana, 

 the sea-coast of Maryland, &c. One specimen from the foot-hills of 

 Colorado, collected by Lieutenant Carpenter in July. 



5. M. admiradilis. 



Lyganis admirabilis, Uhler, iu Hayden's Survey of Montana, 405, No. 5. 



Inhabits Colorado. 



6. 31. lateralis._ 



Lyganis lateralis, Dallas, Brit. Mus. List, ii, 5.o0, No. 58. 

 Melanocoryjjlius lateralis, Stal, Enumeratio Hemipt. iv, 113, No. 12. 



Inhabits Texas and Mexico. 



7. 31. mmnilus. 



Melanocoryplius {Ochrimnus) mimulus, Stal, Enumeratio Hemipt. iv, 113, No. 15. 



Inhabits Texas. 



Subfamily NYSHNA. ^ 



Nysius, Dallas. 



1. iV. californicus. 



Nysius californicus, Stal, Eugeuies Eesa, Hemipt. 242, No. 56. 



Inhabits Texas, California, Arizona, Colorado, Dakota, South Carolina, 

 and Maryland. Bare in the latter State, but common in California and 

 Arizona. 



2. N. angustatus. 



Kysius angustatus, Ubler, iu Haj'den's Survey of Montana, 406, No. 2. 



Inhabits Dakota, California, Texas, Kansas, &c. Collected above 

 timber-line on the mountains of Colorado, in June, by Lieutenant 

 Carpenter. 



3. N. groenlandicus. 



Lyga'us groenlandicus, Zett., lusecta Lapponica, 262, No. 3. 

 Nysius groenlandicus, Sial, Enumeratio Hemipt. iv, 3. 



Inhabits Greenland, Labrador, British America, and Unalaska. 



Sufficiently large series for full comparison may show that this and the 

 preceding are only varieties of a single species, in which case the latter 

 name will have priority. 



