326 
Length: 0,72 mm. 
Germany. Not found in Denmark. 
Type in Zool. Mus. Berlin. (Kat. Nr. 31958.) 
Oligosita collina Walk. 
1851. O. collina. (Haliday) Walker. Ann. & Mag. Nat. Hist. (2) VII 
1851. pi 227% 
1898. — Dalla Torre. Cat. Hym. V p. 5. 
1907. — Schmiedeknecht. Hymenopt. Mitteleuropas, p. 491. 
1915. — Wolff. Zeit. f. Forst- u. Jagdwesen p. 563. 
Oligosita collina (Haliday MSS), fem. Lutea, antennis 
pedibusque flavis, alis limpidis. 
Body rather narrow, bright pale luteous, head hardly 
broader than the chest: eyes and eyelets piceous, the for- 
mer very large: feelers pale yellow, subclavate, brown 
towards the tips, much more than half the length of the 
body, first joint very long, second cup-shaped, third ‘and 
following forming a spindle-shaped club, chest short, 
nearly flat, sutures of the segments indistinct, abdomen 
spindle-shaped, depressy above, hardly keeled beneath, 
nearly twice the length of the chest to which it is closely 
applied, legs yellow, slender, four hinder feet pale yellow 
with brown tips, wings colourless, very narrow, deeply 
fringed; veins yellow, reaching a little beyond the middle 
of the fore wing, ulna rather longer than the humerus; 
cubitus a little longer than the radius, with which it 
forms a very acute angle, wing brand small, pale brown. 
Length of the body !/, line of the wings 1/, line. 
Eur. Hibernia. | 
Mountain heath near Belfast (Ireland). 
Oligosita nigripes Girault. 
1914. O. nigripes. Girault. Mitt. a. d. Zool. Mus. Berlin VII. B. 2 
H. p. 148. 
Female: Deep orange yellow, the wings sligthly, uni- 
formly infuscated, sides of thorax and abdomen, tip of 
the latter and about four transverse stripes evenly distri- 
