)NEURA. 



TETRAGON EURA. 43 



the tip of the wing ; first cubital areolet very narrow, about thrice 

 longer than broad ; subapical and subanal veins slight, pale, secondary ; 

 fork of the former opposite the first cubital areolet ; fork of the latter 

 nearer the base of the wing. Halteres testaceous. Abdomen slightly 

 compressed. Legs blackish, rather short arid stout ; coxae and femora 

 testaceous ; hind tibiae with very minute spines and moderately long 

 spurs. 



Not common. (E.) 



24. aiiena, n. Mas, cinereo-nigra, palpis, halteribus, abdominis 

 lateribus ventreqiie basim versus, coxis femoribusque testaceis, alis subci- 

 nereis, abomine subcompresso, femoribus posticis apice nigris. Long. 

 1-i ; alar. 2| lin. 



Male. Cinereous-black. Palpi testaceous. Antennae hardly longer 

 than the thorax, testaceous at the base. Wings slightly greyish ; sub- 

 costal vein very short, joining the costal before one-sixth of the length 

 of the wing ; radial joining the costal before two-thirds of the length ; 

 cubital ending at about five-sixths of the length ; first cubital areolet 

 veiy narrow, full four times longer than broad ; subapical and subanal 

 veins slight ; subapical vein forked opposite the end of the first cubital 

 areolet ; subanal forked at the base of the wing. Halteres testaceous. 

 Abdomen slightly compressed, testaceous beneath and on each side towards 

 the base. Legs rather short and stout ; coxae and femora testaceous ; 

 hind femora with black tips ; hind tibiae with very minute spines and 

 rather long spurs. 



Eare. Eound in June, on the banks of the Wye, near Chep- 

 stow. (E.) 



25. pictipennis, Hal. A. N. H. 11 (1838). Testacea, fronte ver- 

 ticeque subfuscis, antennis fuscis, alis hyalinis fasciis duabus fuscis, ab- 

 domine fasciis nigris, tarsis fuscescentibus. Long. If ; alar. 3^ lin. 



Testaceous. Front and vertex brownish. Antennae brown, yellow 

 at the base. Wings hyaline, with two brown bands ; one in the middle 

 of the wing, extending beyond the areolet, and sinuated thence to the 

 hind border ; the other subapical, extending to the tip of the radial vein. 

 First and second abdominal segments unspotted; third and fourth 

 black, with testaceous hind border ; fifth and sixth almost wholly black ; 

 hypopygium testaceous. Tarsi brownish. 



Very rare. Has been found once in Kent. In Mr. Haliday's 

 collection. (E.) 



26. halterata, Staeg. D. D. (1840); Zett. D. S. xi. 4138. 34 

 (1852). Testacea, vertice fronte antennisque nigro-fuscis, alis fusco- 

 venosis, vena pobrachiali integra, areola minutissima, abdomine fusees- 

 cente. Long. 2-i ; alar. 4 lin. 



Testaceous. Vertex and front blackish-brown. Antennae blackish- 

 brown, rather stout; first and second joints ferruginous. Thorax 

 slightly shining, with pale hairs. Wings hyaline ; veins brown, rather 



