NO. ] 786. 



NEW PARASITIC JIYMENOPTERA— CRAWFORD. 



237 



sidal furrows complete; stigmal knob enlarged, stigma with a dis- 

 tinct tooth pointing obliquely toward front of wing; wing with a 

 small stigmal cloud; propodeal spiracles oval, situated basad; seg- 

 ments one to three of abdomen short, the fourth much the longest. 



This genus differs from Rileija by the enlarged stigmal knob and 

 the umbilicate punctures, and from Neorileya and Macrorileya by 

 having three rmg joints in the antennae. Doctor Ashmead, in his 

 classification of the Chalcid flies, has erroneously stated that Macrori- 

 leya has three ring joints, but the type material shows only two, these 

 each longer than wide. 



CALORILEYA CEAR^E, new species. 



Female. — Length about 4 mm. Light yellow, translucent, with 

 darker stains; head umbilicately punctured; mandibles yellow, the 



teeth dark brown ; antennae brown- 

 ish-yellow, pedicel longer than the 

 first jomt of the funicle; pronotum 

 over twice as wide as long; prono- 

 tum, mesonotum, and metathorax 

 umbilicately punctured ; middle lobe 

 of mesonotum with a median stripe 

 of dark brown; propodeum with 

 several longitudinal carinas and a 

 transverse one, making it appear 

 areolated; stigmal cloud reaching 

 about halfway across wing; legs 

 light yellow; abdomen finely reticulated, with a median stripe of 

 dark brown reaching about the middle of fourth segment; following 

 segments medially stained brown. 



Male. — Length about 4 mm. Similar to the female, but the stigmal 

 knob much more enlarged, median stripe on abdomen wider, complete, 

 that on mesonotum continues on the postscutellum. 



Habitat. — Ceara, Brazil, bred from galls of Mayrellus mirabilis. 

 Described from 12 specimens. 

 Type.— Cat. No. 13351, U.S.N.M. 



Family PERILAMPIDiE. 



MAYRELLUS, new genus. 



Type. — M. mirabilis Crawford. 



Mandibles two toothed; antennae mserted on the middle of the 

 face, thirteen jointed, with four rmg joints, the funicle four-jointed, 

 (fig. 3) joints of club fuzed; antennae of male similar to female; 

 clypeus medially deeply notched ; head anterio-posteriorly very thin, 

 the lateral ocelli on the vertex, the eyes above touchmg the vertex; 

 pronotum transverse; parapsidal furrows complete, deep; scutellum 



Fig. 2.— Calorileya cear^, female. 



