128 MANDIBULATA. HYMEXOPTERA. 



base of the tibite sometimes a little rusty; 4 anterior tarsi ferruginous 



beneathj posterior fuscous ; wings hyaline, smoky, scales and stigma red, 



brown, or black, costa fuscous. 

 The number of pale joints of the antennae varies a little. 

 Larva feeds on the larvae of Bombycidge and of Abraxas grossulariata, &c. 



Not uncommon, within the metropolitan district, in gardens, 

 woods, &c. in June and July: also in Scotland. 



Sp. 3. alboguttatus. Niger, puncto marginali segmento 3-tii et ^-ti, annuloqne 

 antennarum albidis. (Long. corp. 51 lin.; Exp. Alar. 9 — 10 lin.) 



Ic. alboguttatus. Gravenhorst. — Steph. Catal. 346. No. 4323. 



Black: frontal orbits of the eyes white; antennae with the 10th to 14th joints 

 white above and on the sides ; thorax with a white dot beneath the wings ; 

 abdomen shining blue-black, with the extreme edges of 2nd to 4th segments 

 rusty, the 3rd and 4th with a minute glaucescent marginal spot ; the lower 

 edge of the anterior tibiae and a dot at the tip of the femora whitish, the 

 middle femora the same ; wings hyaline, slightly smoky, with the stigma, 

 costa, and scales fuscous, the cellule somewhat triangular. 

 Apparently very rare : taken in the New Forest in June. 



Sp. 4. nigritarius. Niger, tihiis anticis subtus dilute riifis, antennis albo annu- 

 latis. (Long. corp. 4^ — 62 lin.; Exp. Alar. 10 — 11 lin.) 



Ic. nigritarius. Gravenhorst. — Steph. Catal. 346. No. 4324. 



Black: antennae porrect, rather shorter than the body; all from the 13th to 

 18th joints, or the greater portion only, more or less white; abdomen with 

 the 2nd to 6th segments of equal width, the 2nd to 4th sometimes with the 

 extreme edge castaneous ; legs moderate, anterior with the femora beneath 

 entirely, or the tip only, reddish, or yellowish, tibiae the same, fuscous above; 

 middle femora with the apex and tibiae entirely or on the inner side the same, 

 and the posterior ones towards the base reddish ; wings hyaline, smoky, the 

 stigma black, pitchy, or red; costa fuscous; cellule 5- or somewhat 3- 

 angular. 



Larva subsists on that of Plusiae Gamma, Festucae, and other Noctuida?. 

 Not uncommon in woods and hedges, upon umbelliferous flowers 



"within the metropolitan district, in June and July. 



Sp. 5. tenuicornis. Niger, antennarum annulo et parte orbitarum internarum 

 oculorum albis, femoribus anticis rufo-maculatis, tibiis anticis subtus Jlavis, 

 celluld 3-angulari. (Long. corp. 4§ lin. ; Exp. Alar. 8 lin.) 



Ic. tenuicornis. Gravenhorst, i. 115. — Steph. Nomen. 2d edit. col. 131. 



Black : head with a white dot on the sides near the clypeus, and another on 

 the orbits above, the inner orbit more or less distinctly whitish ; antennae 

 porrect, nearly as long as the body, slender, the 13th to 16th joints white ; 

 abdomen with the 1st segment aciculate and punctured, its peduncle rather 

 short, 2nd segment more or less punctured, with the margin shining, the 



