298 Mr. W. H. Ashmead's 



Grenada — Mirabeau Estate, Chantilly Estate, Grand 

 Etang, Balthazar. Described from several specimens 

 representing both sexes. 



Genus Trissarthrum, Ashmead. 

 245. Trissarthrum {Dimeris) maculi^jcnnc, Ashmead. 

 St. Vincent. 



Family LXXIX. STEPHANID^. 

 Suborder 11. PHYTOPHAGA. 



Superfamily IX. SIRIGOWEA. 

 Superfamily X. TENTHREDINOIDEA. 

 Family LXXXVI. HYLOTOMID^. 



Subfamily I. SCHIZOCERIN^. 



Genus Hemidianeura, Kirby. 



246. Hemidianeura thoracica, n. sp. 



9 . Length 3"8-4 mm. Head, except face below the antenna, the 

 long pubescent third joint of antennae, a Inroad band on mesoplenra 

 along the mesosternum, and the abdomen black ; the thorax, except 

 as mentioned, orange-yellow ; face, clypeus, first two joints of 

 antenna^ and the legs pale yellowish, the latter more or less whitish. 

 Wings subfuliginous, the third cubital cell scarcely half tlie length 

 of the second, the third transverse cubitus bioken by a stump of a 

 vein below its middle ; hind wings with two discal cells, the lanceolate 

 cell distinct. 



Grenada — Balthazar, Grand Etang. Described from two 

 % specimens. 



Family LXXXIX. PTERYGOPHORID^. 



Subfamily I. LOBOCERATINjE. 

 Genus Acordulecera, Say. 



247. Acordulecera insularis, n. S]>. 



$ . Length .3"6 mm. Head black, the clypeus, labrum and mouth 

 parts whitish ; thorax, except the metapleura and the depressions 

 surrounding the postscutellum which are black, honey-yellow ; legs 

 and the abdomen beneath pale or yellowish-white, the tips of hind 



