MONOGRAPHIA CHALCIDITTJM. 15 



labium et palpi fusca ; ligula flava : antennae fuscae ; articulus 

 l us . fulvus ; 2 US . fusco-viridis : thorax viridis ; discus cupreo 

 varius : abdomen cupreum, medium ante flavo maculatum, apice 

 viridi-aeneum : pedes fulvi ; coxae virides ; meso- et metafemora 

 et metatibise pallide fusca ; tarsi flavi, apice fusci ; protarsi ob- 

 scuriores : alee limpidae ; squamulas et nervi fulva ; stigma 

 minutum ; proalae cuique macula apud stigma rotunda nigro- 

 fusca. 



Fern. — Caput cupreo-aeneum, antice viridi-Eeneum : antennae nigro- 

 fuscae ; articulus l us . fulvus ; 2 US . viridi-aeneus : thorax et abdo- 

 men cuprea, ejus discus obscurior, segmentum l um . micans viridi 

 varium : pedes fulvi ; coxae aeneae ; femora fusco cingulata ; meso- 

 et metatarsi flavi, apice fulvi : alarum maculae quam mari majores 

 et pallidiores. (Corp. long. lin. \\ — lj ; alar. lin. 2 — 2 J.) 



Far. /3. — Mas, caput viride : thorax aeneo-viridis ; suturae cyaneo- 

 virides : metafemora et metatibiae obscure fusca. 



Far. y. — Mas, femora et tibiae omnino fulva. 



Far. S. — Mas, Far. y. similis : thoracis suturae et metathorax 

 omnino cyaneo-viridia. 



Far. £. — Mas, Far. y. similis : thorax aeneo-viridis ; mesothorax 

 cyaneo-viridi fasciatus. 



Far. (. — Mas, abdomen nigro-cupreum ; macula flava vix conspicua: 

 profemora fusco cingulata ; metafemora nigro-fusca. 



Far. r), — Fern, caput et thorax viridi-aenea, ilium antice viride, ejus 

 scutum cupreum. 



Far. 6. — Fern, caput viridi-aeneum, antice viride : femora nigro- 

 fusca ; metatibiae fuscae. 



Far. t. — Fern, alarum maculae vix conspicuae. 



Far. k. — Fern, caput et metathorax aeneo-viridia. 



May to September ; on beams of wood perforated by Ano- 

 bium, ash-trees, ivy, &c. ; near London ; North Wales. Found 

 in Ireland by Mr. Haliday. 



** Prothorax productus, antice angustus. 



Genus Trigonoderus, Westwood. a 



Mas. — Corpus squameum, fere glabrum : caput magnum, thorace 



a Lond. and Edinb. Phil. Mag. and Journ. of Science. Third Series. Vol. I. 

 No. 2, p. 127. 



