46 Mv. Walker's Descriptions of Chalcidites. 



Micromelus Silanus, Fern, ^neo-nic/cr, cijaiieo-varius, antcnncE fidrce, 

 pedes fulvi, alee fuses. 



Corpus aeneo-nigruni, subtus cyaneo-nignim, breve, latum, coiivexura, 

 parum nitens, scitissime squaincum, parce hirtum : caput transversum, breve, 

 thorace latius ; vertex latus ; frons impressa, abrnpte declivis : oculi picei, 

 niediocres, non extantes : ocelli vertice triangulum fmgcntcs ; medius per- 

 parum antepositus : antennce fulvoe, ad os insertte, basi graciles lineares : 

 OS piceum : tborax ovatus : prothorax brevissimus : mesothoracis scutum 

 longitudine latius ; pai apsides scuto fere in unum coiifusre ; paraptera et epi- 

 mera magna; scntelhun subrhombiforme, ])ostice latius: metatliovax brevis, 

 declivis, postice aiigustus : pctiolus brevissimus : abdomen subrotundum, 

 seneum, nitens, loeve, supra planum, subtus carinatum, thorace paullo latins 

 ct multo brevius: pedes fulvi, simplices, siibrequales: aire fusca?, mediocres; 

 squamula? picete ; nervi fusci ; nervus humeralis ulnari duplo longior, ra- 

 dialis ulnari brevior cubitali vix longior, cubitalis sat longus ; stigma me- 

 diocre. (Corp. long. lin. ■! ; alar, lin, 1^.) 



Mount Wellington. 



VIII. — Descriptiom of Chalcidites discovered in St. Vincenfs Isle 

 hy the Hev, Lansdowu Guilding. By Francis Walker, Esq., 

 F.L.S. 



Decatoma Oretilia, Mas et Fern. Fidvo-Jlava ferrngineo-varla, anlennce 

 fulvcE, pedes favi, alee limpidce. 



Corpus convexum, sublineare, ful vo-fllavum, nitens, subtilissime punctatum, 

 parce hirtum : caput transversum, breve, thorace paullo latius; vertex latus; 

 Irons impressa, abrupte declivis: oculi ruti, mediocres, non extantes: an- 

 tcniiaj fidvre, clavatae, thorace non longiorcs ; articnlus 1"* longus, gracilis ; 

 2"^ cyathiformis ; 3"*et 4"Mninimi; 5"'^et sequentes breves, usque ad 9""" 

 latescentes ; clava fusiformis, acuminata, aiticulo 9° multo latior et plus 

 duplo longior: thorax ovatus : prothorax maximus, transversus, snbquadratus, 

 postice fcsrrugineo-maculatus : mesothoracis scutum brevissimum ; parapsi- 

 dum suturae vix conspicua? ; scutellum subrotundum ; discus ferrugineus : 

 nietathorax transversus, brevis : petiokis brevis : abdomen ovatum, lasve, 

 marl thoracis longitudine, /i??w. thorace jiauUo longius subtus carinatum apice 

 acuminatum fuscum ; vitta jier dorsum interrupta fusca : pedes pallide flavi, 

 simplices, subiequales: alffi limpidic; squamuke fulvaj ; nervi fulvi; nervus 

 humeralis ulnari fere duplo longior, radialis ulnari non brevior cubitali plus 

 duplo longior; stigma minutum. (Corp. long. lin. 1 ; alar. lin. \\.) 



Pteromalus Ilelice, Fein. /Eneo-virldis, aniciuicB fiilvce, pedes flavi, alee 

 limpidoB. 



Corpus convexum, teneo-viride, nitens, scitissime squameum, parce hirtum : 

 caput transversum, breve, thorace latius ; vertex latus ; frons impressa, 

 abrupte declivis : oculi rufi, mediocres, non extantes : antennie fidvae, extror- 

 sum crassiores, thorace vix longiores ; articnlus 1"* longus, gracilis; 2"^ cya- 

 thiformis ; 3"*et 4'"* minimi ; 5"^ et sequentes breves, usque ad 10""" lates- 

 centes; clava longiconica, acimiinata, articulo 10° duplo longior : thorax 

 ovatus : prothorax transversus, brevissimus : mesothoracis scutum longitu- 

 dine latius; parapsidum sutura; vix conspicua? ; scutellum subconicum, an- 

 tice truncatum : metathorax obconicus, mediocris, declivis : petiolr.s brevis- 

 simus : abdomen fusiforme, la*ve, supra depressum, subtus carinatum, apice 

 acuminatum, thorace longius et angustius : pedes laete flavi, sim{)lices, sub- 

 sequales : ake limpidaj; squamulaj fulva; ; nervi flavi ; nervus humeralis 



