116 Mr. Walker's descriptions of Chajcidites/rom Lima. 



impressa, abrupte declivis : oculi picei, mediocres, non extantes : antennae' 

 nigra?, submoniliformes, extrorsum crassiores, thorace non longiores ; arti- 

 culus l us longns, gracilis; 2 US cyathiformis; 3 US et 4 US minimi; 5 US et se~ 

 quentes breves, usque ad 10 um paullo curtantes; clava longiconica, acumi- 

 nata, ai'ticulo 10° plus duplo longior : tborax ovatus : prothorax transversus, 

 brevis : mesothoracis scutum longitudine latius ; parapsidum suturae non 

 bene determinatae ; scutellum brevi-conicum : metathorax sat magnus, ob- 

 conicus, declivis : petiolus satlongus: abdomen aeneum, subrotundum, fere 

 planum, nitens, laeve, glabrum, tborace multo brevius ; segmentum l um mag- 

 num, 2 um et sequentia brevia : pedes nigri, simplices, subaequales ; trochan - 

 teres picei ; femora apice flava ; tibiae fulvae, apice basique flavae ; tarsi flavi, 

 apice fusci : alae limpidae ; squamulae piceae ; nervi flavi ; nervus humeralis 

 ulnari fere duplo longior, radialis ulnari vix brevior, cubitali multo longior ; 

 stigma minutum. (Corp. long. lin. 1 ; alar. lin. 1-|.) 



Pachylarthrus Cleodoxa, Mas. Viridis, abdomen cupreum, antenna fulvce T 

 pedes flavi, alee limpidce. 



Corpus convexum, viride, nitens, scitissime squameum, parce hirtuni : 

 caput convexum, breve, thorace paullo latius ; vertex latus ; frons impressa, 

 abrupte declivis : oculi rufi, mediocres, non extantes: palpi maxillares fulvi, 

 clavati : antennae fulvae, extrorsum crassiores, thorace paullo longiores ; ar- 

 ticulus l" s longus, gracilis ; 2" s fuscus, longicyathiformis ; 3 u9 et 4 l,s minimi; 

 o us et sequent.es breves, usque ad 10 um paullo curtantes et latescentes; clava 

 fusiformis, pallide fusca, articulo 10° paullo latior et plus duplo longior : 

 thorax ovatus : prothorax transversus, mediocris, antice angustus : meso- 

 thoracis scutum longitudine latius ; parapsidum suturae non bene determi- 

 natae ; scutellum subconicum : metathorax mediocris, declivis, obconicus : 

 petiolus brevis : abdomen cupreum, breviovatum, laeve, depressum, fere gla- 

 brum, thorace brevius : pedes flavi, simplices, subaequales ; coxae virides ; 

 tarsi apice fusci : alae limpidae ; squamulae piceae ; nervi flavi ; nervus hu- 

 meralis ulnari fere duplo longior, radialis ulnari vix brevior, cubitali multo 

 longior; stigma minutum. (Corp. long. lin. £ ; alar. lin. 1^.) 



Pteromalus Archia, Mas. Niger, antennce nigrce, pedes rufi, femora ni- 

 gra, alee fusees. 



Corpus sublineare, convexum, nigrum, obscurum, pubescens, scitissime 

 squameum : caput transversum, breve, thoracis latitudine ; vertex sat latus ; 

 frons impressa, abrupte declivis : oculi picei, mediocres, non extantes : an- 

 tennae nigrae, subfiliformes, pubescentes, thorace non longiores ; articulus 

 I" 8 longus, gracilis; 2 US cyathiformis; 3" 8 et 4 US minimi; 5 US et sequentes 

 usque ad 10 um breves, subaequales, approximati ; clava subconica, articulo 

 10° multo longior: thorax ovatus: prothorax transversus, brevis, antice 

 angustus : mesothoracis scutum longitudine latius ; parapsidum suturae non 

 bene determinatae ; scutellum subconicum : metathorax mediocris, declivis, 

 obconicus : petiolus brevissimus : abdomen sublineare, depressum, nitens, 

 laeve, fere glabrum, thorace paullo brevius, non latius : pedes obscure rufi, 

 simplices, subaequales ; coxae nigrae ; trochanteres picei ; femora nigra, 

 apice rufa ; tarsi apice obscuriores : alae fuscae ; squamulae piceae ; nervi 

 picei ; nervus humeralis ulnari duplo longior, radialis ulnari longior, cubita- 

 lis ulnari paullo brevior ; stigma sat magnum. (Corp. long. lin. lj; alar, 

 lin. 2.) 



as distinct (see Temm. Man. Orn. pt. 4. p. 536, and Yarrell, Brit. Birds, 

 vol. Hi. p. 168), and it appears that European specimens never exhibit the 

 peculiar plumage of Anasformosa. The subject, however, requires further 

 investigation. — (H. E. S.) 



