462 PROCEEDINGS OF THE NATIONAL MUSEUM vol. lis 



but the presence of yellow to yellow brown on the lower half of the 

 frons, around the compound eyes, and the anterior lateral edges of the 

 pronotum is quite consistent, 



18. Eurytonia lutea, new species 



Map 8 



Female: Mostly brown to orange yellow. Average length 3.3 mm. 

 (3.0-3.9). Abdomen oval from a lateral view; medium amount of 

 lateral compression; deep brown in color except for yellow venter 

 anteriorly; sculpturing on lateral aspect of sixth tergum limited to 

 lower half; ninth tergum in line with horizontal axis of abdomen and 

 averages .21 mm. (.20-.25) in length. Internal genitalia average 1.6 

 mm. in length and 1.0 mm. in height, thus the height is more than 

 half the length; dorsal valves black and narrow for horizontal length; 

 turn dorsally, anteriorly, with ventral valves at right angles; stylet 

 arch in an oblique plane. Propodeum with a complete median fur- 

 row that occupies most of the wide, shallow concavity; lateral carinae 

 complete to base and central carina in upper half only; lateral areas 

 narrow with fine irregular ridges covering surface. Tegula yellow. 

 Two small spots on dorsum and lateral sm-faces of pronotum yellow; 

 rest of thorax brown above and yellow laterally. Head yellow except 

 brown vertex. Antenna with j-ellow scape and flagellum; clavate; 

 all funicle joints longer than wide; terminal three joints fused together 

 to form a slightly enlarged club. Legs including coxae orange 

 yellow, except brownish infuscation medially on hindfemora and tibiae, 

 and occasionally on mid tibiae. Wing veins linear and pale yellow; 

 marginal vein averages .29 mm. (.2 5-. 3 5) and postmarginal averages 

 .21 mm. (.20-.22) in length. 



Male: Averages 2.9 mm. (2.7-3.1) in length. Mostly yellow except 

 for black area on vertex around ocelli ; black to dark-brown dorsum of 

 thorax. Abdomen and petiole dark brown. Wing veins yellow. 

 Antenna with yellow scape and brown flagellum; funicle consists of 

 five longer than wide pedicellate segments; the sixth segment not 

 pedicellate distally but separated from terminal unit by a distinct 

 annulation. 



Types: 12 females and 7 males. Holotype female, allotype male, 

 and paratypes in U.S. National ]\Iuseum collection, Washington, 

 D.C. (USNM 66054) . Paratypes in the Bugbee collection, Meadville, 

 Pa. 



Type locality: Monroe, Mich. L. C. Jones collector. 



Distribution: United States: Michigan. 



Host: From Elecampane (Inula helenium Linneaus). 



Remarks: No clear host relationship was discernible from the data 

 on the labels, other than that the species was bred from Elecampane. 



