AMERICAN HYMENOPTERA. 201 



closely punctured ; concavity of metathorax rather deep, shining, striate below, 

 punctured above; ridges blunted, with coarse reticulations somewhat concealed 

 by a close silvery sericeous pubescence ; segment 1 of abdomen without any 

 suture or transverse fluting, the superior face coarsely punctured, segment 2 with 

 more fine, more shallow punctures, the apical margin coarsely puuctered, not 

 reflexed. Black, scape beneath, and segment 1 of abdomen red : legs more or 

 less red or yellow ; spot on mandibles, arcuate line on clypeus, spot between an- 

 tennae, spot in sinus of eye, tegulse, their appendix, postscutel, and borders of 

 segments 1 and 2 of abdomen yellow ; sometimes the border of segment 1 is con- 

 nected with a yellow lateral spot; postocular spot, prothorax in front, and spot 

 under the wings yellow or red ; sometimes there is a red spot on each side of 

 metathorax at base above and on each side of base of segment 2. Length 9-10 mm. 

 % . — Mandibles, labrum, clypeus, scape beneath, wedged-shaped mark between 

 antennae, lower border of orbits in front, knees, tibiae and tarsi yellow; the orna- 

 ments of thorax yellow or red ; flagellum fulvous beneath, middle coxae, and 

 sometimes hind ones yellow or red ; the femora, especially the hind pair, red at 

 base; segments 4 6 of abdomen sometimes with yellow borders; otlierwise as in 

 female. Length 7-8 mm. 



Inverness, Florida ; 3 9)6 ^ specimens. 



Odyiiei'us ociileus n. sp. 



9- — Clypeus finely and sparsely punctured, its apex emarginate, with denti- 

 form angles; head and thorax coarsely punctured; posterior ocelli with two 

 tubercles between them ; concavity of metathorax rather deep, rounded, opaque, 

 striate, on the sides above reticulate; ridges of metathorax blunted, coarsely re- 

 ticulated ; segment 1 of abdomen without a trace of suture or fluting, coarsely 

 punctured ; segment 2 less coarsely punctured, except on apical margin, which is 

 not reflexed. Black ; mandibles, apex of clypeus, first three joints of antennae, 

 especially beneath, femora at base, especially the hind pair, usually the first seg- 

 ment of abdomen, sometimes marks on sides of metathorax and two spots on 

 ventral surface of segment 2 of abdomen red ; spot on mandibles, arcuate line on 

 summit of clypeus, spot between antennae, spot in sinus of eye, postocular spot, 

 two spots on prothorax, tegulae. their appendix, spot beneath, postscutel, some- 

 times a spot on each side of metathorax above, fasciae on apical margin of seg- 

 ments 1 and 2, and sometimes 4, oblique line on 1, spot on each si.ie of 2, fascia 

 on 2 beneath, knees, tibiae and tarsi, yellow; sometimes these ornaments are 

 orange-yellow or even more or less red. Length 9 mm. 



% . — The clypeus bidentate, tubercles between posterior ocelli quite cons|)iiu- 

 ous, resembles the female. Two or three basal joints of flagellum, at least be- 

 neath, red ; flagellum reddish beneath, hook black ; mandibles, labrum, clypeus, 

 scape in front, wedge-shaped mark between antennae, another in sinus of eye. 

 middle coxae in front, and two large spots on ventral surface of segment 2 of ab- 

 domen, yellow; postocular spot, two spots on prothorax, tegulae, their appendix, 

 spot beneath, postscutel. borders of segments 1 and 2 of abdomen, usually an 

 oblique spot on 1, a spot on each side of 2, border of 2 beneath, knees, tibiae and 

 tarsi usually yellow, sometimes orange-yellow or reddish ; sometimes anterior and 

 hind coxae in front, extreme sides of segment 2, more or le.ss complete fascife on 

 4-6, and on 3 and 4 beneath, yellow ; sometimes there is a red mark on sides of 

 metathorax; segment 1 of abdomen, except extieme base, usually red, sometimes 

 superior face tinged with black; rarely this segment is black, with the usual yel- 

 low ornaments. Length 7-9 mm. 



Orlando and Inverness, Florida ; 4 9)30 <? specimens. 



TRANS. AM. ENT. SOC, XXVII. (26) MAY, 1901. 



