new British Homopterous Genera. 49 



each side with a small black excavation and a very distinct trigonate 

 black or fuscous spot near the eyes. Prothorax posteriorly greyish 

 brown, variegated with fuscous ; anteriorly jiale ochreous, vvith black 

 spots. Scutellum pale ochreous; at the base on each side with a black 

 trigonate mark ; in the middle with a black, lanceolate, abbreviated 

 line, the forked part being obsolete, having on each side a fine 

 black dot. Superior wings semitransparent ; the nervures pale 

 brown, at the apex darker ; the costa in the middle and the sutural 

 margin variegated with dark fuscous. Inferior wings hyaline, with 

 black ner\'ures. Abdomen above black, with a slender pale mar- 

 gin to each segment. Intermediate and posterior tibiae at the base 

 with a black spot. 



Willows, Battersea. August. 



The male may be at once distinguished from all other British 

 species by its yellow stigmatical spot. The female may be known 

 by its more distinctly maculated head and thorax. I have dej)osited 

 a specimen of the female in the Museum of this Society. 



Macropsis*. Plate VII. %. 3 and 4. 



Caput laiituditie thoracis ; vertex pcrbrevis, arcuatus. Fades subrhom- 

 boidea, apice truncata. Ocidi mediocres. Ocelli 2 in facie inter 

 oculos dispositi. Antenme triarticulata; in excavatione infra oculos 

 insertce ; articuhis primus brevissimus, secundus cj/lindricus, 

 ultimus setiformis, longitudine prothoracis. Prothorax trans- 

 versus, subovatus, postice excisus. Scutellmn trigonum. Al(B 

 superiores vel seniicoriace^ vel membranacece, abdomine longiores. 

 Oviductus fere rectus. Tibia posticce valde spinosa; et ciliatce. 

 Head as wide as, or a little wider than the thorax ; the anterior 

 margin convex, the posterior concave. Face subrhomboidal, 

 with the apex truncate. (Fig. 3, b. and fig. 4, b.) Eyes mo- 

 derate. Ocelli 2, small, placed in the face between the eyes, 

 to which they are closer than to one another. Antennce placed 

 in excavations at the side of the face beneath the eyes, hav- 

 ing a lateral direction and stretching downwards ; the two 

 first joints very short, cylindrical; the terminal one a stoutish 

 seta, about the length of the prothorax. Rostrum as long as 

 the prothorax. Prothorax transverse, subovate, posteriorly 

 excised. Superior wings much deflexed, longer than the 

 abdomen, and either of a semicoriaceous or membranaceous 

 texture. Inferior ivings ample. Ovipositor long, nearly 

 straight, or slightly curved downwards. (Fig. 3, c.) Ante- 



* ficcx^as Inngii.s, o-v/- oculn.f. 

 VOL. r. E 



