( 505 ) 



The mandililes arc very decjily siiuiate at the outer edges, more so than in malfs 

 of P. c/oysd/yi/rcti Salle and P. respleni/i'ns Bouc. 

 Ilab. Costa Rica. 



2. Plusiotis limbata sp. nov. 



ri. snjira argeutea, splendidissima ; iulVa ojjaca vinaeeo-lutosa, tarsis violaceis. 

 Caput medio plauatum, irapnnctatnm, clj'peo - leviter trisinuato, antice parum 

 recnrvato, margine vinaceo-lutoso rnguloso-pnnctato, mentum lateribns rotnudatum, 

 mandibnlis extus late sinuatae. Prothorax lateribns medio rotundatus, antrorsiim 

 gradatim angustatns, retrorsum snbrectns, minntissime sinuatus, impunctatus, 

 limbo externo vinaceo-lutoso rnguloso-pnnctato. Elytra sine pnnctis et striis ; 

 limlio externo angusto, ajiicali latiore viuaceo-lntoso, antice pnnctnlato, postice 

 strignloso-pnnctato. Pygidinm viuaceo-lutosum nt corjius infra ; hoc medio dense 

 ruguloso-piTnctatum, lateribns dense transverse striato-rugulosum. Sletasternnm 

 lateribns rngnloso-pnnctatum, praeterea striolatnm ; abdomen lateribns rugulosnm, 

 segmento apicali minute jinnctnlato. 



Long. 20 mm., elytr. 17, lat. 13. 



Colonr of the npperside as in very white specimens of P. chri/sar(jyrea Salle ; 

 clypens and prothorax narrowly bordered with clay colonr ; the underside, legs 

 (except the bluish tarsi), and the pygidium entirely of a vinaceons clay colour 

 without gloss, and the margin of the elytra of the same peculiar colour. The new 

 species is slenderer than P. c]ir)isar(jyrca, and even slenderer than P. argenteoln 

 Bates from Coloml)iii. The front of the head is flattened, the prothorax feebly 

 conve.K. 



The jirocess of the mesosternum as long as in P. chrysanji/rea ; apical segment 

 of the abdomen as well as the i)ygidium longer than in the latter, and much more 

 triangular. Sides of the sterna and aljdomcn villose with grey hairs. 



Ilab. Central America (without exact locality). 



y. Plusiotis clypealis sp. nov. 



? (?). P. supra argentea, splendidissima, clypeo, prothorace limbo laterali 

 angnsto retrorsiim angustiore (ante basim evanescente) luteo-vinaceis ; infra vinaeeo- 

 lutosa, medio argentea, nitida, tibiis qnatnor posticis intus viridibus, tarsis articnlis 

 quatnor basalibns parum viridescentibns, articnlo nltimo ^•iolaceo; pygidium 

 elytrornm colore. 



Mandibnlae extus fortiter rotnndatae, hand sinnatae ; clypeus antrorsuni 

 levissime augnstatus, rotnndatns, apice late subtrnncato-rotuudato, margine parum 

 reflexo, densissime rnguloso-punctatns ; frous planata, laevis, jnxta ocnlos panels 

 pnnctis instrncta ; mentum lateribns retrorsnm gradatim leviter angnstatum, apice 

 basique medio parnm sinuatum, pone marginem apicalem grosse punctatum, longi- 

 trorsum medio parnm impressnm. Protliorax vix convexus, impunctatus, limbo 

 viuaceo rugnloso excepto, basi ante scntellum sat fortiter dilatata, lateribns medio 

 rotundatis, angnlis anticis subacntis productis, posticis rectis angnlo extremo parnm 

 rotundato. Scntellum et elytra impuuctata, haoc snbelongata, leviter convexa, 

 lateribns pone hnmeros hand impressa, callo ajiicali supra j)lauuto. 



Infra lateribns dense striolato-rngnlosa, medio imj)unctata, segmento abdominal! 

 iiuarto apice pancis pnnctis instructo (segmento <|uinto ?). Processus mesosternalis 

 sat longns, parnm arcuatus. Tibiae anticae acute bidentatae, dente tertio obsoletis- 

 sinio ; (piatnor posticae extus ruguloso-pnnctatae, pnnctis magnis setiferis sparsis. 

 Pygidium sulitriangnlare, medio laeve, lateribns ruguloso-pnnctatnm. 



