Mr. Walker on the British Chalcidites. 235 



Genus Entedon, Dalman. 

 Mas. E. Cydoni proximus : corpus convexum, nitens, scitissime squa- 

 meum, parce hirtum : caput transversum, brevissimum, vix thoracis lati- 

 tudine ; vertex latus ; frons impressa, abrupte declivis : oculi mediocres, 

 non extantes : ocellus medius perparum antepositus : antenna? filiformes, 

 graciles, thorace longiores ; articulus l us longifusiformis ; 2 118 cyathiformis ; 

 3" s , 4 US , et 5 US lineares, discreti ; clava gracilis, attenuata, acuminata, arti- 

 culo 5° longior et angustior : thorax ovatus : prothorax brevissimus, supra 

 vix conspicuus, antice angustus ; mesothoracis scutum longitudine multo 

 latius : parapsidum suturse bene determinates ; scutellum subovatum : meta- 

 thorax mediocris, transversus: petiolus brevissimus: abdomen sublineare, 

 planum, laeve, thorace multo brevius et angustius ; segmentum l nm maxi- 

 mum ; 2 um et sequentia brevissima : pedes graciles, simplices, subaequales ; 

 alae latae ; nervus ulnaris humerali multo longior, radialis brevis, cubitalis 

 adhuc brevior. 



Sp. 1. Ent. Hersilia, Mas. Viridis cyaneo-cupreo et purpureo varius, 

 antenna nigra, pedes falvo-Jlavi, femora viridia, ala limpidce. 



Viridis : caput aureo-viride : oculi et ocelli rufi : antennas nigrse ; arti« 

 culi l us et 2 US virides : abdomen cupreum, basi aureo-viride: pedes flavi ; 

 coxse virides ; trochanters fusci ; femora viridia, apice flava ; tarsi fulvi ; 

 protarsi fusci ; alas limpidae ; squamulae piceae ; nervi proalis picei, metalis 

 fusci. (Corp. long. lin. £ — f ; alar. lin. l-«- — 1-J-.) 



Far. /3. — Thorax cyaneo-viridis : mesothoracis scutellum cupreum : tibia? 

 fulvae ; tarsi obscuriores. 



Far. y. — Mesothoracis scutellum purpureo-cupreum : abdomen basi cy- 

 aneum : tibiae fulvae. 



Found by Dr. Greville near Edinburgh, and during September in North" 

 umberland. 



" Entedon rutilans, Mas. Rubro-aureus. Abdomen convexius, dimidio 

 anteriore albida, basi summa fusco-aeneo. Antennae 8-art. moniliformes, ar- 

 ticulis 1°, 2°fuscis, reliquis fusco ferrugineis pilosis; 2 US major 3°. Stemma- 

 ticum valde elevatum. Genae pone oculos villosae latae. Metathorax apice, 

 pone carinam transversam bis-arcuatam producto-attenuatus, petioli insertio- 

 nem amplectens. Pedes flavidi, coxis cyaneo-viridibus, unguibus fuscis. 



" Entedon gemmeus, Mas. Purpurascenti-ruber. Abdominis segmentum 

 2 um macula media albida. Antennae 7-articulatae fuscae, 2° et 3° subaequa- 

 libus, annello interjecto : 6° et 7° subconnatis. Genae angustiores. Meta- 

 thorax apice, sub carina transversa gibbula, breviter deflexus in petioli in- 

 sertionem. Pedes albidi, coxis fusco-aeneis, tarsis posterioribus apice fuscis. 



" Variat, femoribus posticis basi fusco-lineatis." — Holiday. 



Genus Cirrospilus, Westivood. 



Fern. C. Ferieni proximus : corpus sublineare, convexum, nitens, laeve, 



fere glabrum : caput transversum, brevissimum, thorace angustius ; vertex 



latus ; frons impressa, abrupte declivis : oculi mediocres, extantes : antennae 



subclavatae, graciles, medio frontis insertas ; articulus 1 U8 gracilis, subline- 



s2 



