H^EMOBORA. 28? 



two-thirds of the length ; cubital vein ending at the tip of the costal ; 

 pnebrachial vein distinct to the border of the wing at some distance 

 behind the tip ; pobrachial vein somewhat nearer to the fore border 

 than to the hind border as far as the discal transverse vein, distinct 

 from thence to the border ; discal transverse vein slightly curved, nearly 

 upright, parted by less than half its length from t/te pr&brachial trans- 

 verse vein ; anal vein distinct to the border, with a transverse vein be- 

 tween it and the pobrachial. Halteres minute. Abdomen short-obco- 

 nical, not so long as the thorax ; segments with indistinct sutures above, 

 retracted beneath towards the base. Legs stout, slightly bristly, wide 

 apart, of moderate length ; tibiae shorter than the femora ; tarsi shorter 

 than the tibia? ; ungues moderately long, curved, tridentate ; onychia 

 small. 



Infests birds. 



1. avicularia, L. Fn. 1922 (1761) ; D. G. ; F. ; Schr. ; Gmel. ; 

 Eossi ; Leach ; Latr. ; Fal. ; Meig. ; Mcq. ; Zett. viridis, Leach ; Latr. ; 

 Meig. viridula, Meig. Fringillina, Cart. ! B. E. xiii. pi. 585. Fulvo- 

 viridis, fronte thoracisque dorso fulvis, oculis ore antennisque fuscis, 

 thoracis vitta dorsali testacea, alis subcinereo-hyalinis, unguibus nigris. 

 Long. 2-2^ ; alar. 6-7 lin. 



Green, more or less varied with tawny, which colour chiefly prevails 

 on the front and on the thorax. Eyes, mouth, and antennas brown. 

 Thorax with a testaceous dorsal stripe. Wings greyish-hyaline ; veins 

 blackish. Ungues black. 



Common. (E. S. I.) 



Genus IV. HJEMOBORA. 



ILEMOBORA, Curt. B. E. i. 14 (1824). 



Caput transversum, subtrigonum. Oculi parvi. Ocelli tres. Thorax 

 capite paullo latior, subquadratus. Alae longae, vena distinctae, 

 transverse remote. 



" Head broader than long, somewhat triangular. Eyes very remote, 

 small. Ocelli three, in a triangle, sunk in foveolce. Antennae inserted 

 close to the anterior angles of the clypeus, globular, hairy, sunk into 

 the head. Labrum horny, elongate, hollow, slightly arched, enclosing 

 the lingua. Lingua nearly as long as the. labrum, slender. Labium 

 horny, arched, hollow, enclosing the labrum and the lingua. Maxillae ? 

 rigid, obtuse, ciliated with strong hairs, united at their internal ridges, 

 bent downwards, including the proboscis, and extending beyond the 

 head like a beak. Mentum large, coriaceous, membranaceous, covering 

 and concealing the base of the proboscis. Thorax a little broader than 

 the head, nearly quadrate, dilated near the base of the wings, notched 

 in front. Scutellum broad and short. Wings very long, rounded ; 



