of Hemiptera Heteroptera from Japan. 443 



the genus. In colour it most nearly resembles a dingy M. 

 dumetorum. 



Genus Cantacader, Am. et Serv. 



Cantacader Lethierryi. 



Clear pale brownish yellow. Crown armed with four long 

 spines. Pronotum with five keels ; the three inner ones 

 parallel, extending throughout its entire length ; the two outer 

 posterior, short, curving round interiorly. Elytra with an 

 irregular fuscous shade throughout, darkest in the cells ; sides 

 in the middle and the apex with a blackish patch. 



Head brownish yellow. Crown with four long spines, placed 

 two in front, stout, reaching to about in a line with the base 

 of the third joint of the antenna?, and two, more slender tha.n 

 the others, springing from near the middle of the inner margin 

 of each eye ; antenniferous processes produced into a stout 

 spine exteriorly. Antenna} brownish yellow; first joint stoutest, 

 somewhat obconic, and with a small petiole ; second oval, about 

 half the length of the first ; third long, slender ; fourth fusi- 

 form, black, and with a few longish erect dark hairs. Eyes 

 dusky purplish. Rostrum : cheek-plates of the sheath some- 

 what luteous, with about four rows of fine meshes; apex 

 blackish. 



Thorax. — Pronotum pale brownish yellow, narrow in front ; 

 lateral margins straight, gradually but gently widened to the 

 acutely rounded hinder angles ; anterior margin concave, 

 almost angular ; posterior margin semiovate, straight between 

 the first and second outer keels, concave between the inner 

 ones ; disk with five keels, — the three inner ones parallel, ex- 

 tending throughout the entire length of the pronotum, viewed 

 from above slightly waved ; the two outer ones spring from 

 the posteriov margin near to the hinder angles, and curve 

 round interiorly about the middle of the disk, which is some- 

 what depressed. Elytra somewhat elliptic, pale brownish 

 yellow, with an irregular fuscous shade throughout, darkest 

 in the cells; cell-nerves pale; marginal field very narrow, 

 with one row of meshes ; disk within the cells almost straight, 

 exteriorly (on the sides) sloping towards the anterior margin ; 

 reticulation throughout fine ; anterior margin in the middle 

 and apex with a blackish patch. Legs brownish yellow : tarsi 

 dark brown. 



Length 1% line. 



Somewhat like C. Staudinyeri, but larger and darker in 

 colour, and having the third joint of the antennae more slender, 

 the three inner keels of the pronotum parallel, and the posterior 

 margin of the same of a totally different form. 



