Nczc Species of SIcrola, With Explanatory Xotes. 67 



224-223 Legs and antennje basally yellowish brown. 



mandibles black, head coarsely punctate. 



tumidity beneath less pronounced 1 11. puir,.caaii.'Lni 



225-218 Antennae not much longer than the head 

 226-227 Legs and antennae luteous to yellowish brown, 



mandibles reddish brown, wings hyaline 112. iiiiiniscula 

 227-226 Legs and antennae brown to fuscous, wings 



with a faint pigmentation 

 228-229 Wings with a faint fuscous pigmentation II3- ancmophila 



229-228 Wings witli a faint yellowisli brown pigmen- 



tajiQ,;, 114. hntiincipcunis 



230-213 Mandibles stout 



2^1-2^,2 Rodv particolored, prothorax. mcsoscutum 



and abdomen yellowisli brown ".S- inainiibiilata 



232-231 Body entirely black 



233-234 Gula divided into two lobes posteriorly by a 



deep median sulcus 116. tubcrculata 



234-233 Not so 



235-238 Mandibles reddish or yellowish brown 



22f(y-2^'/ Punctuation of the head fine and close, width 

 between the eyes one and one-half times 

 the length from eye to vertex, a little 

 tumid beneath. antenn;e nearly reaching 

 the scutellum ii7- nigra 



237-236 Punctuation of the head rather coarse and 

 remote, width between the eyes twice the 

 length from eye to vertex, convex be- 

 neath, antennre reaching mesoscutum Il8. iiuinoo 



238-235 ]\Iandil)les black; if red, tlien only at the 

 apex 



239-240 Antenn;e only a little longer than the head, 

 all tlie segments beyond the pedicel as 

 wide as or wider than long 119. li'tn 



240-239 Antenna' reaching the mesoscutum, segments 

 throughout twice as long as wide 



241-242 Width lietween the eyes one and one-half 

 times the length from eye to vertex, 

 propodeum coarseK- rugulose, wings sub- 

 in fuscate 120. fiiliginosa 



242-241 Width l)ctween the eyes twice the length 

 from eye to vertex, propodeum finely ru- 

 gulose, wings witli a yellowisli brown 

 pigmentation 121. 7'iilcaiia 



243-212 Dull black, not at all brilliant 



244-263 Mandibles slender 



245-252 Legs mostly fuscous 



246-247 Head with lateral margins parallel, not con- 

 verging behind the eyes 122. iiigraiis 



247-246 Head narrowing behind the eyes 



248-249 Antennae vellowish brown basallv 123. oUnda 



