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 : antennae filiformes, 

 graciles, thorace longiores ; articulus 1"^ longifusiformis ; 2"' cyathiformis ; 

 3"S 4'", et 5"* 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 determinatae ; scutellum subovatum ; meta- 

 thorax mediocris, transversus: petiolus brevissimus: abdomen sublineare, 

 planum, laeve, thorace multo brevius et angustius ; segmentum 1""^ maxi- 

 mum ; 2""» 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 purpurea varius, 

 antenna nigrce, pedes fulvo-Jlavi, femora viridia, alee limpidcB. 



Viridis : caput aureo-viride : oculi et ocelli rufi : antennae nigrae ; arti- 

 culi 1"* et 2"* virides : abdomen cupreum, basi aureo-viride : pedes flavi ; 

 cox£e virides ; trochanteres fusci ; femora viridia, apice fiava ; tarsi fulvi ; 

 protarsi fusci ; alae limpidae ; squamuloe piceae ; nervi proalis picei, metalis 

 fusci. (Corp. long. lin. f — f ; alar. lin. 1 J- — 1^.) 



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

 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"^ major 3°. Stemma- 

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

 pone carinam trans versam bis-arcuatam producto-attenuatus, petioli insertio- 

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



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

 2"™ 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- 

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



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



Genus Cirrospilus, Westwood. 



Fern. C. Verieni 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 insertae ; articulus 1"' gracilis, subline- 



s2 



