550 LIST OF HOMOPTEROUS INSECTS. 



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

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

 less ; veins yellow ; fore-wings tawny and 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. 



'^-^embracis, Oliv.^ Fabr. ^ 



C^Entylia, Germ. 

 (i>Hemiptycha, Burm. 

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



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



^ I. Oxygonia rufipes. 



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

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



Columbia. 



^'S. Oxygonia chrysuea. 



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

 ' 2, pi. 5, f. 18. 



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



Os. Oxygonia auriflua, Fem. 



Nigra ; caput luteum ; prothorax luieo reticulaius ; cornu dorsale 

 acutum, utrinque tricarinatton ; pectus luteo varium ; pedes 

 Jiavi ; femora et tibice piceo vittata ; metafemora et meiatibicB 

 picea ; alee anticce subcinerece, basi et ad costam pieces. 



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 veryprominent, forming rectangular horns; behind 

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



