234 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.49. 



Family SCOLIIDAE. 

 Genus ELIS Fabricius. 

 ELIS XANTHONOTUS, new species. 



Readily distinguished by its black color and yellow mesoscutum. 



Female. — Length 14 mm. Clypeus with large confluent punctures, 

 anterior margin nearly truncate, supraclypeal suture strong; antennal 

 foveae rather sharply defined, smooth, impunctate; front with deep^ 

 confluent punctures; following the inner margin of the eye is a low, 

 roimded carina; head above the supraorbital line and posterior orbits 

 polished with a few widely scattered punctures; ocelli in a low trian- 

 gle, each ocellus situated in a pit, that of the anterior one larger and 

 extending below the ocellus a short distance; postocellar line about 

 one-third longer than the ocelloccipital hne; third antennal joint 

 shghtly shorter than the fourth; antennae with the joints serrate 

 beneath; anterior face of the pronotum longitudinally striate below; 

 pronotum anteriorly and laterally with large nearly confluent punc- 

 tures, the rest of the surface shining with small scattered punctures ; 

 mesoscutum poHshed practically impmictate, longitudinal impressed 

 lines strong ; scutellum polished \\dth a few scattered punctures ; sides 

 of the pronotum with four strong, oblique rugae and a number of fine 

 oblique striae; mesepisternum shining with large, separate, well- 

 defined punctures; dorsal aspect of the propodeum finely granular, a 

 median area with a few large, separated punctures, posterior face of 

 the propodeum separated from the dorsal aspect by three strong 

 transverse (arcuate in the middle) rugae, posterior face of the propo- 

 deum shining with a few poorly defined striae lat erally, sharply sepa- 

 rated in the sides; side of the propodeum strongly, obliquely, striate 

 posteriorly; legs normal but rather more robust than usual; second 

 cubital cell on the radius slightly longer than the third, the first recur- 

 rent vein received slightly behind the middle of the second cubital 

 cell; the second cubital vein received slightly basad of the middle of 

 the third cubital cell; transverse median of the fore wings slightly 

 behind the basal vein; abdomen shining, segments with a few fine, 

 little separated punctures; pygidium notched apically, the surface 

 longitudinally striato-granular; hypopygidium sharply curved api- 

 cally. Black; mesoscutum inside of the first longitudinal furrow yel- 

 low; insect clothed with long glistening hair; wings hyaline, dusky; 

 venation pale brown. 



Rio Piedras, Porto Rico. Described from one female collected 

 February 1, 1912, by T. H. Jones and given the accession number 

 113-1912, 'T.R.S.G.A." 



Type.— C&t. No. 15243, U.S.N.M. 



