104 LIST OF HOMOPTEROUS INSECTS. 
Genus RICANTA, Cat. Hom. p. 422. 
Ricania TRIGUTTA. 
Testacea, viridi varia, rufo notata ; capitis latera ampla; vertew 
brevis, arcualus ; frons longissima, tricarinata ; mesothorax 
nigro bicarinatus, fusco bivittatus ; abdominis segmenta rufo 
marginata; ale vitree, venis nigris; ale antice margine ex- 
teriore subfuscescente, maculis duabus, una discali, altera api- 
cali, nigris, stigmate lurido maculam nigram includente. 
Testaceous, partly pale green, with a few little red marks. 
Head forming a long vertical compartment on each side; vertex 
short, arched; frout 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, Soc. i. 157, 81. 
a, Borneo. From Mr. Wallace’s collection. 
RicaNIA PLENIPENNIS. 
Viridis ; vertex transversus, depressus, nigro marginatus ; frons et 
facies carinate ; prothorax carinatus, valde arcuatus ; meso- 
thorax carinis tribus rufescentibus ; ale vitree, late, venis 
nigris ; antice stigmate viridi, arcolis discalibus hewagonis. 
Green. Vertex transverse, depressed, bordered with black, 
forming a slight angle in front; front and face keeled, the former 
very much longer than broad. Prothorax much arched, with 
a middle keel. Mesothorax with three reddish keels. Wings 
