550 LIST OF HOMOPTEROUS INSECTS. 



tip of the abdomen yellow : legs yellow ; thighs striped above with 

 black ; hind tibise beset with minute black bristles ; wings colour- 

 less ; veins yellow ; fore-wings tawny aud punctured along more 

 than half the length from the base. Length of the body 2^ lines ; 

 of the wings 4f lines. 



a. United States. Presented by E. Doubleday, Esq. 



Genus 21. OXYGONIA. 



Membracis, Oliv.^ Fabr. 



Entylia, Germ. 



Hemiptycha, Burnt. 



Oxygonia, Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv. .301. 



Group. 1. Fairm. Ann. Soc. Ent. Fr. 2me Serie^ iv. 301. 



1. Oxygonia rufipes. 



Oxvgonia rufipes, Spinola, MSS. Fairm. Ann. Soc. Ent. Fr. 2me 

 ' Serie,iv. 301, 1, pi. 5, f. 19. 



Columbia. 



2. Oxygonia chrysura. 



Oxvgonia chrysura, Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv. 302, 

 * 2, pi. 5, f. 18. 



a, b. Venezuela. From Mr. Dyson's collection. 



3. Oxygonia auriflua, Fern. 



Nigra ; caput luteum ; prothorax luteo reticulatus ; cornu dorsale 

 acutum, utrinque tricarinatum ; pectus luteo varium ; pedes 

 Jiavi ; femora et tihim piceo vittata ; metafemora et metatibite 

 picea ; alee anticce subcinerea^ basi et ad costam picece. 



Body black: head luteous, triangular, transverse, thinly punc- 

 tured, hairy in front, much narrower than the fore-chest, impressed 

 on each side near the eyes ; middle suture very distinct, extending 

 to the face, whose hind border is semicircular and occupies much 

 less than half the length of the head : fore-chest roughly punctured, 

 with luteous ridges, on each side in front with some luteous net- 

 work ; shoulders very prominent, forming rectangular horns ; behind 

 these there is a very acute luteous dorsal horn which inclines slightly 



