CECIDOMYIA. 101 



Male. Brown. Head and antennae black. Antennse eigh teen-joint- 

 ed, raoniliform, verticillate-pilose, a little longer than the body ; joints 

 short, elliptical, very little longer than their petioles, which are pale 

 testaceous. Scutellum ichitish. Wings slightlg greyish, hardly ciliated ; 

 veins blackish ; subcostal vein ending at nearly half the length of the 

 wing ; cubital straight ; subanal slight, obsolete from a little beyond 

 the fork of the anal to the tip of the wing ; first branch of the anal 

 distinct, nearly straight ; second branch straight, inclined very abruptly 

 and hardly obliquely to the hind border, forming an almost right angle. 

 Halteres whitish. Legs whitish, long, slender. 



Not common. (E.) 



76. incompleta, n. Mas, cinerea, gracillima, capite antennisque 

 nigris, his corpore brevioribus, articulorum petiolis sat longis, alia sub- 

 cinereis, halteribus nigris. Long. 1 ; alar. 3 lin. 



Male. Cinereous, very slender. Head and antennae black. Antennae 

 twelve-jointed?, moniliform, verticillate-pilose, shorter than the body; 

 joints simple, nearly oval, rather longer than their petioles. Wings 

 greyish ; veins black ; subcostal vein rather less than half the length of 

 the wing ; cubital straight ; subanal distinct from the base to some 

 distance beyond the fork of the anal ; first branch of the anal very 

 slight, rather indistinct ; second branch curved very abruptly and hardly 

 obliquely to the border. Halteres black. Legs slender, rather long. 

 Not common. (E.) 



77. expandens, n. Mas, nigro-cinerea, antennis corpore paullo 

 brevioribus, thoracis lateribus canis, alis cinereis, venis nigris, halteribus 

 pedibusque cinereis. Long. 1|; alar. 3| lin. 



Male. Greyish-black. Antennae black, twenty-jointed ?, moniliform, 

 verticillate-pilose, rather shorter than the body ; joints elliptical, full 

 twice the length of their petioles. Thorax hoary on each side. Wings 

 grey, pubescent, ciliated ; veins black ; subcostal vein much less than 

 half the length of the wing; cubital very slightly curved; subanal 

 distinct ; first branch of the anal very slight ; second branch curved 

 obliquely and rather abruptly to the hind border. Halteres and legs 

 cinereous. 



Not common. (E.) 



78. semiopaca, n. Mas, fusca, capite antennisque nigris corpo- 

 ris longitudine, thoracis lateribus albidis, alis cinereis subnebulosis, halte- 

 ribus albis, pedibus albidis. Long. 1 ; alar. 3 lin. 



Male. Brown. Head and antennas black. Antennae fourteen-jointed ?, 

 verticillate-pilose, submouiliform, as long as the body ; joints subellip- 

 tical, full twice the length of their petioles. Sides of the thorax whitish. 

 Wings grey, pubescent, very indistinctly mottled, not ciliated; veins 

 blackish ; subcostal vein nearly half the length of the wing ; cubital 

 almost straight ; subanal distinct, straight ; first branch of the anal 

 very slight, running very near the subanal ; second branch curved very 



