158 MR. walker's catalogue of homopterous insects 



84. Benna claeescens, n. s., mas. Testacea, lialteribus apice albis, alls 

 subcinereis, anticis extus albido lituratis, fascia iuteriore fiisca. 



Male. Testaceous ; like the preceding species in structure. Halteres with 

 white tips. Wings greyish ; fore wings with a brown band before the 

 middle, and with exterior wliitish marks ; veins testaceous. Length of the 

 body 2i lines ; of the wings 7 hnes. 



85. Benna PERSIANS, n. s., foem. Ferruginea subtus fulva, ahs subhyalinis, 

 anticis triente basali ferruginea fusco marginata. 



Female. Ferruginous, tawny beneath ; hke the two preceding species in 

 sti-ucture. Wings nearly hyaline ; tliird part from the base of the fore 

 wings ferruginous with a brown border ; veins testaceous. Length of the 

 body 2^ lines ; of the wings 7 lines. 



GTen. Serida, n. g. 



Caput subascendens, lateribus elevatis angulum acutimi utrmque fingentibus ; 

 vertex hnearis ; frons angusta, carinata, antice dilatata ; facies lauceolata, 

 subcarinata. Thorax tricarinatus. Ala anticse anguhs rotundatis, venidis 

 costahbus venisque mai-ginalibus pliu-imis. 



Head shghtly ascendmg, with elevated borders, forming a shghtly acute angle 

 on each side in front of the vertex which is linear ; front narrow, with a 

 distinct keel, widening towards the face wliich is lanceolate, and has a 

 sUght keel. Thorax with three slight keels. Fore wuigs moderately broad, 

 with rounded angles ; marginal veins and costal veinlets very numerous, 

 the latter oblique and parallel. 



86. Seeida latens, n. s., mas. Fidva, frontis lateribus basi prothoraceque 

 nigro guttatis, alis anticis guttis paucis discaUbus costa Imeisque transversis 

 exterioribus nigricantibuSj apice cinereo-liyalinis Uneohs duabus obUquis 

 nigricautibus . 



Male. Tawny. Sides of the front at the base and prothorax with black dots. 

 Fore wuigs with the costa, some discal spots, and some exterior transverse 

 lines blackish ; tips cinereous hyaUne, with two short oppositely obHque 

 black liues. Length of the body 4 lines ; of the wings 10 lines. 



87. Seeida eeevens, n. s., mas. Fulva, fronte vu-idi sat lata, marginibus 

 carLiiaque fulvis, alis apice fuscis, anticis fusco bifasciatis. 



Male. Tawny. Front green, moderately broad, with the borders and the 



keel tawny. Wings with brown tips ; fore wings with two brown bands, 



. one near the base, the other oblique irregular and beyond the middle. 



Length of the body 3 lines ; of the wings 8 hnes. 

 This species differs much m the structure of the front from S. latens, wMch 

 is the type of the genus. 



Gen. Paricana, n. g. 



Caput Iseve, planum ; vertex brevis ; frons longi-subquadrata ; facies lau- 

 ceolata. Antermce arista longa gracili. Thorax tricarinatus. AIcb anticae 

 apice latse rotundatse, areolis mediis et marginalibus longitudine sub- 

 fequalibus. 



Head smooth, not keeled nor with elevated borders ; vertex short j front 



