J. CHESTER BRADLEY 123 



5. Punctuation of dorsal surface of abdomen and of head fine, even and 



close, without minute interpunctulation; dorsal abdominal segments not 



fimbriate maculipes Mickel 



Punctuation of dorsal surface of abdomen coarse, sparser, and witli minute 

 interpunctulation; first four dorsal segments albo-fimbriate. 



moestus Cresson 



6. Dorsal surface of propodeum uniformly reticulate ... trichrus (Mickel) 

 Dorsal surface of propodeum with a basal series of parallel longitudinal 



areas pumilus Cresson 



7. Abdomen black, or with only the first segment wholly or in part red . . (8) 

 Abdomen, except for lateral whitish spots on segments one to five, entirely 



red metathoracicus Smith 



8. Upper lateral angles of pronotum rounded (9) 



Upper lateral angles of pronotum rectangular or with an acute tooth. . (11) 



9. Scutellum with slightly radiating carinae seminole new species 



Scutellum coarsely punctured, or somewhat rugose (10) 



10. Basal abdominal segment red; tubercle between the ocelli only slightly 



divided and not prominent bellus Cresson 



Basal abdominal segment black; tubercle between the ocelli prominent, 

 deepl}^ divided mellipes Cresson and submellipes Viereck 



11. Ujiper lateral angles of pronotum rectangular; legs black, the liind knees 

 reddish; scutellum coarsely punctate; first abdominal segment black. 



tramosericus Viereck 

 Upper lateral angles of pronotum acute; legs rod, or middle and hind 

 tibiae and tar.si black (12) 



12. First abdominal segment red (or blackish medially at base), with inter- 

 mitted yellow ai)ical band. 



opulentus Gerstaecker variety basilaris Cresson 

 First abdominal segment black, with interrupted white apical band. 



opulentus Gerstaecker 



Nysson (Brachystegus) gagates new species 



cf. Black, except for a whitish fleck on each side of the first three dorsal 

 segments. Except on the face, the silvery pubescence is inconspicuous. 

 Wings hyaline or nearly so. Length, 5.5 mm. 



Front and vertex closely, somewhat confluently punctate; vertex without 

 a tubercle between the ocelli; first segment of the flagellum longer than the 

 following, last segment acute. * 



Pronotum irregularly and rather roughly jiunctate; mesonotum with a 

 deep median groove, its surface uniformly beset with moderately deeji round 

 punctures, the interstices polished and lacking interpunctulation; scutellum 

 and postscutellum finely longitudinally rugulose, flat and not margined; 

 mesopleura with large but shallow and inconspicuous punctures, without a 

 clearly defined epicnemial area, with a short curved carina on its upper pos- 

 terior surface. Dorsal surface of propodeum merging gradually without an 

 angle into the posterior, bearing at base a transverse row of shallow, longi- 

 tudinal, slightly radiating cellules, somewhat irregular and rather small, the 



TRANS. AM. ENT. SOC, XLVI. 



