■20 



Lamella membranacea large and rounded. Btipea robust, produced anteriorly 

 into a long incurved acute Btyle, and arm. d at the base with a ratlin- -mall to 

 Maxilla (PI. X., fig. ." moderate, apparently trilobed, with the outer l"i„ la 

 and robust, dilated at the base, and slightly incurved; intermediate long, with 



the basal joint small, and the apical joint elongate and denselj furnished with 



long erecl sets at th< apex; inn, r l.,L< moderate, plao d t ■ 



lobe, and armed at the apex with live or six long and very sharp curvi 



Stipes ratber robust, furnished with two very long Betas aear the middle of the 



outer Bide. 

 Mentum (PI. X., fig. (1. j> oblong, strengthened with lateral costa-. and furnished with 



two strong Betas at eacb anterior angle. 

 Lithium (PI. X., fig. li, k) rather large, suboblong, almost hidden by tin; mentum, 



armed on each side at the anterior angles with a short acute paraglossal process 



bearing a divergi nl si ta at its apex. 

 Lingua (PI. X., fig. 6, 1) elongate, narrow, with the apex concave, and furnished on 



each side with a divergent seta. 

 Pronotum transverse, rather strongly constricted near the base. 

 Scutellinn moderate, triangular. 

 Elytra rather long, truncate. 



n'iH</s lanceolate, seen through the elytra ; in other respi ct- not examined. 

 Abdomen rather long, with three segments more or less exposed, equal to each other 



in length, apical segment entire and rather acuminate, in other respects not 



examine, i. 

 Prothorax (PI. X.. fig. 2, a) with the prosternum rather large, narrowly elevated 



between the coxa?, and triangularly dilated beyond them ; episterna very small; 



epimera moderate, inclosing the coxa! cavities; coxal cavities rounded. 

 Mesosternum (PI. X., fig. 2. d) large, carinated; episterna ral; 



epimera large, broadly extending to the coxal cavities : coxal cavities rounded, 



narrowly separated by the carina. 

 Metasti nut/it (PI. X.. fig. 2, g) transversely oblong, not extending to the sides of the 



body, with the posterior margin between the coxa- straight; episterna broad and 



rather short: epimera large, broadly inflexed posteriorly. 

 Venter composed of si s se\ ments, with the basal and the apical segments rather the 



longest, apica nt conical and entire. 



/.• : /s long and slender, anterior with the coxse oval, trochanters small, trigonal ; 



femora long and simple ; tibiae long and slender ; tarsi three-jointed, with the 



first joint long; second much shorter: third long and very slender; claws 



slender and faintly curved. 

 intermediate longer than the anterior, hut in other i similar. 



posterior (PI. X., fig. 8) rather longer than the preceding, trochanters moderate, 



claviform; femora robust and simple; fcibisB Blightly dilated towards tie a: 



and armed with short spurs on the inner side ; tarsi 1 interior. 



I . anterior oval, almost contingent. 



in/, nil. .I i ite rounded, separated bj the carina. 



erior prominent, rather narrow, triangularly and broadly lamina 

 wideh separati d. 



Pterycodes is allied t.. Pi rya and PtineUa, hut din jpicuously from them 



both in the -mailer size of it- metastemum, whi ih doi ttend to the sides of 



the body, in tie length ami form A, and in the diverse formation 



of its antennas. Prom Pteryx it is also distinguished by the number of its ventral 



segment-, and tie shape of its thorax. 



