G. C, DAVIS. 349 



a. 



DESCRII'TIOXS OF NEW NPKCIES OF TRIGO VALID^IB, 

 STEPHANIDiE AXI> ICHXElTflOXID/E. 



BY G. C. DAVIS. 



TRIGONALID^. 



Trigoiialis sulcatum \\. sp. 



% .—7 mm. Pilose, black, with orbital lines except above, diagonal spots be- 

 neath antennge, another on mandibles, scape beneath, tegulse, line above, humeral 

 line above, stripe above anterior coxge, spot on anterior pleurte, stripes on meso- 

 notum inside of parapsides, scntellums, band between rueso- and metanotum, 

 lateral apical spots on metathoras, apical margins on all abdominal segments. 

 broad on second, and most of the legs, yellowish white; coxse partly black and 

 tibiffi and tarsi of hind leg with a rufous tinge; antennse pale reddish brown; 

 wings hyaline, except front apical margin, covering the marginal cell and a part 

 of those bordering it ; nervures and stigma reddish brown ; body coarsely punc- 

 tured, but with a faint shining reflection; parapsidal grooves deep, distinct; 

 scutellum with a deep longitudinal groove in the middle; no carinje on meta- 

 thorax or basal ."segment of abdomen. 



One specimen from Anglesea, N. J. (Prof. J. B. Smith). 



STEPHAIsTID^. 



Megischiis floridaiius n. sp. 



'^9- — 9 20mm.; ovipositor, 22 mm.; '^ 6 mm. Black, with head, thorax 

 and tarsi slightly reddish, decidedly so in %, ; guides of the ovipositor in 9 with 

 a broad white band near the apex ; wings yellowish fusco-hyaline, nearer hyaline 

 in % ; front, vertex, thorax, hind coxse and petiole strongly rugose and more or 

 less reticulate, distinctly so on vertex and prothorax. and in 9 on petiole, becom- 

 ing finer toward apex ; front above antennae very rough and with the five tuber- 

 cles distinct, the last two placed between the hind ocelli ; heel segment of hind 

 tarsi with large, dense white scopal pads. 



Two specimens from Florida; collected June 15th by Mr. T. C. 

 Priddey. 



JVIegiNchiis cauaden!«is n. sp. 



9. — 14 mm. Black, with cheeks beneath and j)osterior tarsi dirty yellow; 

 four anterior legs with tibiae, tarsi and apical trochanter, also hind trochanters, 

 pale piceous; wings hyaline, nervures and stigma reddish brown ; the sculpturing 

 is different and much finer than in the preceding species; the head, including 

 face, is circularly reticulate, very finely so on the occiput; prothorax coarsely 

 reticulate ; petiole irregularly transversely wrinkled ; five spines of the bead are 

 more transverse, prominences and the anterior ocellus is in a broad, rather deep 

 basin ; ovipositor 18 mm., guides broken. 



One sjiecimen from Toronto, Canada ; collected July 15th by ^Ir. 

 T. C. Priddey. 



TRANS. AM. ENT. SOC. XXIV. ^ECKMBER. 1897. 



