104 LIST OF HOMOPTEROUS INSECTS. 



Genus RTCANIA, Cat. Horn. p. 422. 



RlCANIA TRIOUTTA. 



Testaeea, viridi varia, rufo notata ; capitis latera ampla ; vertex 

 brevis, araialus ; frons longissima, tricarinata ; mesothorax 

 nigra bicarinatus, fusco bivitlatus ; abdominis segmenta rufo 

 marginata ; ala> vitrei ^ vents nigris ; alcB anticcB margine ex- 

 teriors subfuscescente^ maculis duabuSy una discali, altera api- 

 cali, nigriSfStigmate lurido maculam nigram includenie. 



Testaceous, partly pale j^reen, with a few little red marks. 

 Head forming a long vertical compartment on each side; vertex 

 short, arched ; front very long, very slightly widened towards the 

 face, with three keels, the lateral pair converging. Mesothorax 

 with two black keels, between which there are two brown stripes. 

 Abdomen with a red band on the hind border of each segment. 

 Wings vitreous ; veins black. Fore wings with a slight brown 

 tinge along the exterior border, with a black spot in the disk, and 

 with a black apical spot; stigma lurid, containing a black spot. 

 Length of the body 4 lines ; of the wings 12 lines. 



a. Ega. From Mr. Bates' collection. 



RiCANIA OSMYLOIDES. 



Ricania osmyloides. Walk. Journ. Linn. Sac. i. 157, 81. 

 a. Borneo. From Mr. Wallace's collection. 



Ricania plenipennis. 



Viridis ; vertex transversus, depressiis, nigra marginatus ; frons et 

 fades carinatcB ; prothorax carinatus, valde arcuatus ; meso- 

 thorax carinis tribus rufescentibus ; alcB vitrece, latcs, venis 

 nigris ; antiae stigmata viridi^ areolis discalibus hexagonis. 



Green. Vertex transverse, depressed, bordered with black, 

 forming a slight angle in front ; front and face keeled, the former 

 very n)uch longer than broad. Prothorax much arched, with 

 a middle keel. Mesothorax with three reddish keels. Wings 



