CHARLES W. HOOKER, 71 



I have not seen a specimen of this species, and can only 

 give a free translation of Brull^'s description. 

 Type. — Location unknown. 

 Distribution. — Rio de Janeiro, Brazil. 



Enicospilus trilineatus (Br.). 

 Ophion tri/ineatus BraWe, Hist. Nat. Ins., Hym., IV, p. 140, n. 7, 



Brazil 1846. 



Dalla Torre, Cat. Hym., HI, p. 199 1901. 



Henicospilus trilineatus Szepligeti, Gen. Ins., Hym., 34me Pasc, 



p. 27, n. 67 1905. 



Luteous ; head, thorax and scutellum flavous ; vertex black, mesono- 

 tutn with fuscoiis lines, ^netathorax slightly striated, stigma flavous, dis- 

 cocubital cell with one macula ; antennce with basal two-thirds black. 



Length, 22 mm. 



Head yellow, vertex black in ocellar region ; basal two-thirds of 

 antennae black. 



Thorax with sides partly yellow and partly red ; mesonotum yellow, 

 with three brown lines sometimes indistinct ; metathorax slightly stri- 

 ated with the first region more prominent at the posterior edge than 

 in flavo-scutellatus, and nearly straight; second region without longi- 

 tudinal keels, its wrinkles forming quite regular arched lines ; scutel- 

 lum flavous. 



Wings with stigma yellow, the glabrous area of the discocubital cell 

 with one small red macula (speck). 



Abdomen with three basal segments red, sides of the third and fourth 

 yellow, the latter with a ventral triangular brown spot more or less 

 drawn out, the rest entirely brown. 



I have not seen a specimen of this species and can only- 

 give a free translation of the original description. 

 Type. — Location unknow^n to me. 



This species resembles E. flavoscutellatus, but differs in 

 that the pleurae are partly yellow and partly red, and the 

 vertex in the region of the ocelli black. . 

 Distribution. — Rio de Janeiro, Brazil. 



Enicospilus flavus (Fabr.). 

 Plate III, fig. 24. 



Ichneumon flavus Fabricius, Syst. Ent., p. 341, n. 76 1775. 



" " Spec. Ins., I, p. 436, n. 96 1781. 



Mant. Ins., I, p. 268, n. 114 1787. 



" " Gmelin, Linne ; Syst. Nat., ed. 13a I, 5^ p. 2707, 



n. 178 , 1790. 



TRANS. AM. KNT. SOC, XXXVIII. 



