178 Journal New York Entomological Society. [Voi. xv 



3. Apical margin of first abdominal segment not incised medially. 



Alonodontomerus Ashm . 

 Apical margin of first abdominal segment incised medially 4 



4. Hind femora with two large teeth Physothorax Mayr. 



Hind femora with one large tooth Plesiostigma Mayr. 



5. Metathorax with spiraclar sulci Heviitorymus K^xa. 



Metathorax without spiraclar sulci 6 



6. Occipital foraminal depression immargined 7 



Occipital foraminal depression margined 8 



7. Metathorax in 9 with two medial carinse, area between smooth but basad with 



two fovese separated by a short carina ; in $ the carinae weak ; first abdomi- 

 nal segment deeply incised medially Dilropinotus gen. nov. 



Metathorax not with two medial carinas ; first abdominal segment not deeply in- 

 incised medially ]Microdo7itomerus gen. nov. 



8. Apical margin of first abdominal segment not incised medially 9 



Apical margin of first segment incised medially 10 



9. Eyes conspicuously hairy OHgosihenus Forsi. 



Eyes not conspicuously hairy Cryptopristus Forst. ^ 



10. Wings without a stigmal cloud II 



Wings with a stigmal cloud Cryptopristus Forst. 9 



11. Hind femora with a large tooth or prominent dentiform angle ; metathorax not 



with two medial carinae 12 



Hind femora without a large tooth or dentiform angle ; metathorax with two 

 medial carinse 9 , in $ obsolete Eridontoni erus gtn. r\o\. 



12. Hind femora basad of large tooth distinctly serrate Websterellus Ashm. 



Hind femora basad of large tooth not with small teeth or serrations. 



Holaspis Mayr. 

 Ditropinotus, new genus. 



Type. — D. aureoviridis Crawford. 



The punctures of the head and thorax are thimble-like ; hind 

 femora with a few minute saw-like teeth ; antennae ? with the club 

 only slightly thicker than funicle, in S" not thicker ; joints of antennae 

 loosely put together ; abdomen in 9 triangularly produced beneath ; 

 metathorax wrinkled ; a basal fovea laterad of each carina ; coxal 

 cavities and place of insertion of abdomen above with a strong cari- 

 nate ridge. 



Ditropinotus aureoviridis, new species. 



9 ■ — Head and thorax golden green, pleurae more or less, under sides and 

 abdomen dark honey color; punctures of head and thorax coarse, strong ; antennae 

 dark, scape more or less and club almost orange color ; from between antennae to apex 

 of clypeus a more or less distinctly elevated ridge ; legs testaceous, hind femora, except 

 tips, and hind tibiae, except apices, almost the color of the abdomen ; front coxae 

 testaceous ; middle coxae slightly and hind almost entirely, greenish ; abdomen 

 transversely lineolate, with some green laterally at times, compressed, ovipositor 

 about half as long as the abdomen. Length 3-3.5 mm. 



