hymenoptbra. 183 



5. Mygnimia anthracina. B.M. 



Male. Length 13 lines. — Intensely black : the head and thorax 

 clothed with black pubescence, the metathorax transversely 

 sulcate ; the wings have the basal half, the apical margins, and 

 the inferior margin of the posterior pair, dark brown, the inter- 

 vening space fusco-hyaline and covered with a fine short white 

 pubescence, which in difi^erent lights exhibits diiferent degrees 

 of whiteness, having in some positions a bright silvery lustre ; 

 legs elongate ; the abdomen slightly glossy and thinly covered 

 with fine short black pubescence. 



Hab. Java; Sumatra. 



6. Mygnimia albiplagiata. B.M. 



Female. Length 13 lines. — Black : the head covered with 

 short black pubescence and having a number of long scattered 

 black hairs ; the anterior margin of the clypeus, the middle of 

 the mandibles, the inner orbits of the eyes, and a transverse line 

 in front of the anterior stemma, touching the eyes, obscurely 

 rufo-testaceous. Thorax clothed with a similar pubescence to 

 that on the head, and having a large kite-shaped spot of short 

 snow-white pubescence on the disk ; the wings dark fuscous, 

 iridescent, and irregularly maculated with darker shades ; legs 

 elongate, the tibiae, tarsi, and tips of the femora ferrugmous. 

 Abdomen smooth and shining, with a few long black hairs at 

 the apex. 



Hab. Java. 



7. Mygnimia atrox. B.M. 



Male. Length 6-7 lines. — Black, opake; the flagellum be- 

 neath, the palpi, labrum and mandibles, ferruginous ; the tips of 

 the latter black ; the flagellum fuscous above. Thorax : very 

 sparingly pubescent on the pro- and meta-thorax, the latter 

 convex above and transversely striate ; wings very dark fuscous, 

 with a coppery iridescence ; the anterior femora, the apex of the 

 intermediate and posterior pairs, and the tibiae and tarsi, pale 

 ferruginous. Abdomen : the second and third segments having, 

 particularly towards their base, a changeable iridescent pile, 

 which in certain lights has a somewhat golden lustre, but very 

 obscm'e, the apex fusco-ferruginous. 



Hab. N. China. (Coll. R. Fortune.) 



