366 Eev. T. A. Marshall's Monograph of 
3. Adelura isabella, Hal. 
Alysia Isabella, Hal._, Ent. Mag.^ y., 240^ $ . 
Adelura isahella, Marsh., Species des Hym. d^Eur. efc 
d^Alg., Bracon., vol. ii.^ p. 422, $ ? . 
5 . Black ; 2nd abdominal segment pitchy at the base ; man- 
dibles red. Antenna twice as long as the body, fuscous with the 
two basal joints red, 40-41-jointed ; 3rd joint rather longer than 
the 4th. Dorsal fovea of the mesothorax shallow, circular. 
Wings hyaline ; squamula, nervures, and stigma testaceous, the 
last linear, not quite reaching the middle of the radial areolet, 
afterwards confounded with the metacarp, emitting the radial 
nervure before one-third of its length ; 2nd cubital areolet 
elongate, narrow, contracted towards the outer end ; 2ud abscissa 
more than twice as long as the 1st intercubital nervure ; .3rd 
abscissa curved. Legs flavo-testaceous ; tips of the hind tibiae 
dusky. Abdomen short, suboval, widened behind. Terebra 
subexserted. $ Similar ; abdomen linear. Length, H ; wings, 
3^ lines. 
Not common. I possess both sexes ; the 9 (unknown 
to Haliday) is from Devonshire ; the $ type was taken 
by "Walker in the London district. The species con- 
stitutes Forster's genus Grammospila. 
4. Adelura dictynna, Marsh. 
Adelura dictynna, Marsh., Species des Hym. d'Eur. et 
d'Alg., Bracon., vol. ii., p. 423, ? . 
$ . Black, shining ; abdomen piceous ; mandibles reddish. 
Antennas filiform, slender, almost twice as long as the body, 
dull testaceous towards the base, 36-jointed, joints 3 and 4 of 
equal length. Fovea of the mesonotum linear. Wings hyaline, 
very iridescent ; squamula flavo-testaceous; nervures and stigma 
fusco-testaceous, the latter linear, and so narrow as hardly to be 
distinguished from the metacarp, emitting the radial nervure 
before one-third of its length ; 2nd abscissa not longer than the 
1st intercubital nervure ; 3rd abscissa sinuated before the ex- 
tremity, as in Dacnvsa ; 2nd intercubital nervure decolorous but 
visible ; 2nd cubital areolet very short, not longer than broad, and 
not larger than the 1 st ; radial areolet somewhat lanceolate, not 
reaching the tip of the wing ; recurrent and anal nervures both 
interstitial ; pobrachial areolet of the hindwing longer than half the 
