MONOGRAPHIA .EGERIARUM ANGLIC. 75 



Caput flavum : palpi flavi : antennae fusco-nigrse, subtus ad basin 

 ferrugineae, interdum flavescentes : thorax fusco-niger, antice 

 maculis duabus quadratis, postice duabus minoribus obscuriori- 

 bus flavis : abdomen flavum, segmentis primo quartoque fuscis, 

 reliquis tantum margine fuscis, quinto ultimisque duobus in 

 dorso fuscescentibus : femora intus fusca, extus flava : tibiae 

 fulvae, incrassatag : genua fusca : tarsi fulvi : alas anticag hyalinas, 

 supra testaceo subtilissime irroratae, basi puncto flavo, venis mar- 

 ginibus lunulaque ferrugineo-fuscis, cilia fusca. 



Habitat in Anglia, baud infrequens : larva albicans linea dorsali 

 obscura : sub corticem Populi nigrae et tremulae victitat : imago 

 diebus 23 ad 28 Junii insedens truncis. 



Sp. 2. Bembeciformis. Palpi fulvi, caput atriim, thorax 

 fuscus, collari flavo, abdomen flavum, cingulis duabus 

 fuscis. 



Bembeciformis. Hub. T. XX. f. 98. 



Id. Ochs. II. 126. 



Id. Curtis, B. E. 372*. 



Crabroniformis. Lewin. Haw. 



Id. Stejjh. III. {Haust.) Vol. I. p. 138. Sp. 2. 



Caput atrum : palpi fulvi : antennae nigrae, subtus ad basin ferrugi- 

 nese : thorax fusco-ater, collari punctisque duabus flavis : abdo- 

 men flavum, cingulis duabus fusco-ferrugineis : femora fusca : 

 tibiae fulvae incrassatae : tarsi fulvi : alae hyalinae, flavescentes, 

 venis marginibus strigaque transversa ferrugineis. 



Habitat in Anglia rarissime : larva albicans puncto fusco in pluri- 

 mis segmentis versus pedes : sub corticem Salicis capreae victitat : 

 pupa fusca : imago Julio insedens in truncis. 



The specific name, Crabromformis, given to this insect by 

 Lewin, appears to have been prior to the one I have adopted ; 

 but that name having been previously assigned to a species of 

 the genus Paranthrene, it cannot be retained for the present 

 insect. 



Genus V. Pyropteron, Newman. 



Palpi elongati, articulo ultimo nudo, subtus emarginato : antennae 

 thorace paulo longiores, maris ciliatae : abdomen barbatum, maris 

 barba compressa, JemincB dilatata. 



This appears to me to be a most decided genus, the remark- 

 able structure of the apical joint of the palpi being so very 



