110 [May, 



and marginal bristles ; wings with the fourth vein bent in a curve, and 

 the apical cross vein terminating near the apex of the wing. 



P. TIBIALIS, Fin. 



This (the only known species belonging to this sub-genus) is very aberrant. 

 Desvoidy, who formed the genus Hyria for its reception, placed it in his group of 

 Macquartidm, and it bears a good deal of resemblance in form and structure to 

 some of the species of Macquartia, the size of the antennse, and the position and 

 form of the wing veins being very similar j it differs, however, by having bare instead 

 of hairy eyes, and a naked instead of a tomentose arista ; it varies also from most 

 or all the species in that genus with the exception of M. grisea by the absence of 

 dark, shining, metallic colours. 



BEACHTCOMA, Dsv. 



B. EEEATICA, Mgn. 



Forehead prominent, frontal space moderately and nearly equally wide in both 

 male and female, central stripe black, and somewhat wider than the sides, which, 

 like the face, are white with dark reflections ; fronto-orbital setse only extending as 

 low as the base of the second antennal joint ; the facialia are almost bare, but the 

 cheeks are ciliated with a row of very fine hairs placed near the edges of the 

 facialia ; antennse black, with the third joint rather more than twice the length of 

 the second ; arista bare and short, thickened for nearly its whole length ; thorax 

 grey, marked with four black stripes, having pale shoulders and sides, and three 

 post-sutural outer dorso-central setse ; abdomen conical, grey, marked with a central 

 dorsal stripe and four large sub-triangular spots, one on each side of the second and 

 third segments ; discal setse absent on median rings ; calyptra large and white ; 

 halteres yellow ; wings with the fourth longitudinal vein bent at a sharp angle, and 

 furnished with a short spurious appendix ; apical cross vein curved inwards ; outer 

 cross vein nearly straight, and placed almost in the centre between the inner cross 

 vein and the angle of the fourth ; legs black ; fore tarsi of male with large claws 

 and pulvilli and long hairs. The female is very similar to the male, but has a 

 shorter and thicker abdomen. Length, about 6 mm. 



Both sexes of this well marked species were bred by Mr. Watkins, of Painswick, 

 G-loucestershire, from some Hymenopterous boi'ings in an old cherry stump. 



Meigen placed this anomalous species, together with B. devia, in the genus 

 Tachina, in which he was followed by Schiner ; by the spotted abdomen and other 

 characters, however, it more properly belongs to Brachycoma. 



MILTOGEAMMA, Mgn. 

 M. CONICA, Fin. 

 This species has been found by Mr. Beaumont at Woking. 



{To be continued.) 



