130 LIST OF HOMOPTEROUS INSECTS. 



which extends some distance beyond the abdomen. Tarsi black. 

 Wings grayish. Fore wings with a lurid tinge. Var. /3. — Protho- 

 rax without yellow stripes in front ; dorsal horn slightly curved iu 

 front, more acute than in var. a. Var. y. — Like var. j3., but 

 smaller, darker, and with the dorsal horn more acute and more in- 

 clined. Length of the body 5^ — 6 lines; of the wings 10 — 11 

 lines. 



a, b. Mexico. From M. Salle's collection. 



Umbonia picta. 



Testacea; caput nigro nGtatum; prothorax Icete viridis, rude 

 punctatus, fascia antica^ carina viltisque sex luteis ; cornua 

 lateralia luteo marginata ; cornu dorsale suberectum, striga 

 antica aplcali nigra; ala fusco-cinerece. 



Testaceous, Head with some black marks. Prothorax bright 

 green, roughly punctured, with a luteous band in front, a luteous 

 keel, and on each side with three luteous stripes, which converge to- 

 wards the dorsal horn ; lateral horns short, triangular, horizontal, 

 with luteous borders ; dorsal horn long, acute, nearly erect, but 

 slightly curved backward, with a black streak near the tip in front, 

 its hind side very concave ; hind part very acute at the tip, extend- 

 ing some distance beyond the abdomen. Wings brownish gray ; 

 veins black. Length of the body 4 lines ; of the wings 9 lines. 



a. Mexico. From M. Salle's collection. 



Umbonia decorata. 



Testacea; caput nigrum^ testaceo notatum; prothorax late viridis^ 

 antice rufus^ viitis sex luteis quatuorque nigris, carina rufa ; 

 cornua lateralio apice nigra; alee fuscescentes. 



Testaceous. Head black, with some testaceous marks. Pro- 

 thorax bright green, roughly punctured, mostly red in front and 

 with a keel ; each side with three luteous stripes and two black 

 stripes, which converge towards the dorsal horn ; the hind black 

 stripe mostly red for half its lengtli; lateral horns black towards 

 their tips, bordered with red behind; dorsal horn very acute, longer 

 and more erect than that of the preceding species, from which this 

 species differs also in the longer hind part of the prothorax. Wings 

 brownish. Length of the body 4^ lines ; of the wings 10 lines. 

 a. Mexico. From M. Salle's collection. 



