Mr. F. "Walker on undescribed Species of Homoptera. 307 



DiCTYOPHORA SEsriRETicuLATA. 3Ias. Testacea, gracilis ; caput lan- 

 ceolatum, compressum, quadrUaterale, sulcatum, piceum ; prothorax 

 transversua, arcuatus ; mesothorax apice albidus ; alae liyalinfe, venis 

 pallidis ; auticae venulis transversis apicalibus stigmateque nigris. 



Male. Testaceous ; slender. Head porrect, lanceolate, compressed, 

 gi'ooved, quadrilateral, piceous above, except towards tlie base, as long 

 as the thorax ; its depth about twice its breadth. Prothorax arched, 

 more than twice as broad as long. Mesothorax whitish at the tip. 

 Wings hyaline ; veins pale. Fore wings with a black stigma, and with 

 nimierous transverse black veinlets towards the tip. Length of the 

 body 5 lines ; of the wings 8 lines. 



Natal. 



Genus THEs.siitrs. 



Mas. Corpus latum. Caput thorace angustius j vertex transversus, 

 marginatus, tricarinatus ; frons Ifevis, plana, lateribus dilatatis. Pi'o- 

 thorax brevis, antice convexus, postice rectus. Mesothorax trigonua. 

 Abdomen apice dense lanuginosum. Pedes breviusculi, femoribus 

 tibiisque dilatatis. Alse anticae latae, opacae, subrugiilosae, apice rotun- 

 data6, costa margineque exteriore subconvexis, venis venulisque trans- 

 versis plurimis. 



Male. Body broad. Head narrower than the thorax ; vertex trans- 

 verse, with three slight ridges bordered by a rim, straight in front, 

 concave along the hind border ; front flat, smooth, transverse, forming 

 a conical protuberance on each side. Prothorax short, convex in front, 

 straight behind. Mesothorax triangidar. Abdomen thickly floccose 

 at the tip. Legs rather short ; femora and tibife dilated. Fore wings 

 broad, opake, slightly rugulose, roimded at the tips ; costa and exterior 

 border slightly convex, the former prominent towards the base ; veins 

 numerous, extremely numerous exteriorly, as are also the transverse 

 veinlets. 



Allied to Elidiptera. 



Thessitus MORTrFOLiA (PI. XV. f. 4). 3Ias. Fulva ; alse anticse lituris 

 transversis paucis nigris, extus albido-cinereae pimctis nonnullis trans- 

 versis submarginalibus nigiis, subtus basi Isete virides vitta discali lata 

 coccinea ; posticse albfe, fascia macidari nigra. 



3Iale. Tawny. Fore wings with a few transverse black marks, 

 dingy whitish exteiiorly, -with some transverse submarginal black 

 points ; imder side bright gi-een at the base, and with a broad bright- 

 red discal stripe which proceeds from the gi*een part. Hind wings 

 white, with a black macular baud beyond the middle. Length of the 

 body G lines ; of the wings 22 lines. 

 Siam. 



Genxis Elidiptera, Spinola. 



Elidiptera alba. 3Ias. Alba ; vertex sulcatus, bicarinatus, antice nigro 

 marginatus ; fi-ons cariuata, submargiuata ; prothorax nigro vittatus ; 



