Capt. P. P. King's South American Hymenopteia. 323 



Exemplar alterum magis flavescens. Mesothoracis scutum lateribus flavum ; 

 femora tantiim postica subfusca. 

 St. Paul's. 



30. POLISTES BIGUTTATUS, W. S. 



Niger ; capite, profhnrace apiceque antennarum et pedum ferrugineis ; abdomine 

 ferrugineo basi iiigro piinctis duobusjiavis. Fem. 



Long. corp. 8 lin. Alar. 17 lin. 



Fem. Caput ferrugineum, vertice et occipite fuscis. Antennae nigree, arti- 

 culis 2 ultimis undique, prsecedentibus subti'is ferrugineis. Thorax niger, 

 opacus, prothorace supra ferrugineo. Pedes nigri ; anticorum genua, tibiae 

 tarsiqiie ferruginei, metatarsi nigri apice demto : intermediorum genua, 

 tarsorum articuli 3 superiores apice, reliqui toti ferruginei: posticorum 

 genua, tarsorum articuli superiores apice, sequentes subtiis fer^ toti ferru- 

 ginei. AlcB fusco-ferruginese. Squamulw ferruginese. Abdomen ferrugi- 

 neum, segmentis primo et secundo basi nigris, illo flavo-bipunctato. 

 The nest of this species is preserved ; it seems to have been suspended by a 



short slender footstalk, and is formed of one layer, comprising 56 hexagonal 



cells of various depths. 



*31. PoLisTES APiCALis. Fabr. 

 St. Paul's. 



32. POLISTES ACTJEON, W. ,?. 



Cyaneus ; cli/peo et metathoracis maculd bilobdjiavis. Fem. 

 Long. corp. / lui. Alar. 12^ lin. 



Fem. Obscure cyaneus. Clypeus flavus, basi lineolis 2 nigris e nigredene 

 faciei continuatis. Metathoracis margo anticus flavo-lineatus. Macula 

 metathoracis magna flava subquadrata at postic^ bifida. Tibice et tarsi an- 

 tic! latere interno flavicantes. Alee fuscse, costa obscuriore. Abdominis seg- 

 mentumprimum breve, hand petiolatum, margine apicis utrinque albicante. 

 St. Catherine's. 



*33. Odynerus vespiformis. 



Ater, villosus ; alarum costd, squamulis, anfennis pedibusque rufis ; his basi ni- 

 gris. Mas et fem. Clypeo et antennarum scapo subtiisjlavis. Mas. 

 Long. corp. fem. 7 lin., maris G^; alar. fem. \2\ lin., maris 1 1^. 



VOL. XVII. 2 u 



