Mr. Walker on the British Chalcidltes. 199 



gustus, postice concavus : mesothoracis scutum transversum ; parapsidum 

 suturse bene determinatae ; paraptera et epimera magna, conspicua, subtri- 

 gona; scutellum breviovatum, Iseve; metascutellum transversum, breve: 

 metathorax mediocris : petiolus brevis, crassus : abdomen ovatum, Iseve, tho- 

 race brevius, supra planum, subtus convexum; segmen turn 1"°* magnum; 

 2"'" et sequentia brevia, parallela, subaequalia : sexualia exerta : pedes me- 

 diocres, recti, simplices, pubescentes, subsequales ; tarsis articulus 1"* 2° vix 

 brevior, 3"* P brevior, 4"' 2° paullo longior : ungues et pulvilli sat magni: 

 alae mediocres, pubescentes, non ciliatae ; proalis nervus solitus setosus, hu- 

 meralis ulnari multo longior, cubitalis radiali multo brevior ad alae apicem 

 tendens, apice stigma minutum fere integrum fingens ; metalis nervus costa- 

 lis simplex. 



Sp. 27. Cirr. Articas, Mas. Ater fulvo-varitis, antennee nigra, pedes fulvi, 

 al<e suhlim'pidcB. 



Ater : caput ad os flavura : oculi et ocelli rufi, illi antice flavo semicincti : 

 antennae nigrae ; articulus 1"' subtus fulvus : gula fulva: thorax subtus fulvus : 

 prothorax postice viridi-fulvo fasciatus : mesothoracis parapsides fulvae an- 

 tice nigro-piceae, scutellum fulvum basi nigro-piceum, paraptera et epimera 

 fulvo-varia, postscutellum fulvum : petiolus fulvus : abdomen subtus feiTU- 

 gineum ; segmenta P™ et 2"™ apice supra aeneo-ferrugiuea : sexualia picea : 

 pedes fulvi; coxae basipiceae; tarsi supra picei ; profemora extus piceo- 

 vittata : alae sublimpidae ; squamulas fulvae ; nervi fusci. (Corp. long. lin. 

 1— li; alar. lin. \\—\\.) 



Var. /3. — Mesothoracis scutellum nigrum, apice fulvum : petiolus piceus : 

 abdomen supra omnino nigrum. 



Var. y. — Var. /3. similis: thorax supra ater : mesothoracis parapsides pos. 

 tice fulvEB : mesofemora piceo-vittata. 

 ,Var. B. — Var. /3. similis: meso- et metatibiae fuscae; tarsi nigro-picei. 



July to September ; near London, Isle of Wight. 



Mas. Corpus breve, nitens, scitissime squameum, parce hirtum : caput 

 transversum, subquadratum, sat magnum, convexum, punctatum, parum ni- 

 tens, thorace paullo latins ; vertex latus ; frons abrupte declivis : antennae 

 subfiliformes, graciles, thorace multo longiores; articulus 1"« sublinearis; 

 2"* longicyathiformis ; 3"» et sequentes longi, lineares, usque ad G"" cur- 

 tantes; clava fusiformis, acuminata, articulo 6° multo longior: thorax 

 ovatus, convexus : prothorax transversus, bene determinatus, antice angus- 

 tior : mesothoracis scutum transversum, breve ; parapsidum suturae bene 

 determinate ; paraptera et epimera magna, subtrigona ; scutellum brevi- 

 ovatum, leeve ; metascutellum conspicuum : metathorax bene determinatus : 

 petiolus brevis, crassus : abdomen planum, fere conicum, thorace multo bre- 

 vius ; segmentum 1"™ magimm, dorsi fere dimidium occupans ; 2'*'" et se- 

 quentia brevia, parallela, subaequalia : pedes graciles, simplices, recti, sub- 

 aequales ; mesotibiae subclavatae ; tarsis articuli 1"* et 3"' breviores, 2"* et 4"' 

 longiores ; ungues et pulvilli sat magni : alae pubescentes, non ciliate ; 

 nervus humeralis ulnari longior, cubitalis in alae discum declivis radiali multo 

 hrevior, apice stigma fingens minutum fere integrum. 



