1332 



FAMILY LX1I— AXTHICID.E. 



and shorter than in terminal,*. Elytra finely and very sparselv punctured 

 Males with elytral impression smaller, more oval and more distant from 

 apex than in any of the other species. Length 4-5.5 mm. 



Vigo and Lawrence counties ; scarce. May 6-Julv 10 Occurs 

 especially on leaves of Mar-apple. Podophyllum peltatum L Not 

 an immature form, as at first supposed, the sparsely punctured ely- 

 tra with wholly different impressions in males showing its specific 

 rank. 



Tribe III. MAGRATRIINI. 

 This tribe is also composed of a single genus of narrow brown 

 or black pubescent species, having the head deflexed, constricted far 

 behind the eyes into a very slender neck; maxillary palpi com- 

 pressed and dilated, the last joint large and hatchet-shaped; last 

 three joints of antennae much longer than the others; first joint of 

 hmd tarsi very long; males with a sixth abdominal segment visible. 



IV. Macratbia Newm. 1838. (Gr., " long + three. ") 

 Two of the four known species occur in Indiana, 



KEY TO INDIANA SPECIES OF MACRATBIA. 



a. Pubescence of upper surface very line and dense; head rather finely 

 and densely punctate. 2474 mxtbina 



aa. Pnbescence rather coarse and sparse: head very minutely and sparselv 

 punctured. ,__ 



-4 < o. COXFUSA. 



2474 (7915). Macbatbia mubina Fab.. Syst Eleut.. II. 1801, 91. 



Elongate, slender, subcylindrical. Dark olive gray, densely clothed with 

 hue. silken, yellowish hairs: antennae and legs dull yellow, the femora often 

 Piceous. Head subtruncate behind the eyes : antennae with second and third 

 joints nearly equal. 11th almost as long as 9th and 10th united Thorax 

 but slightly wider than head, one-half longer than wide, base strongly mar- 

 gined, angles all rounded, disk finely and densely punctate. Elytra with 

 rows ot fine, close-set punctures which are almost hidden by the dense pu- 

 bescence. Length 4.5-5 mm. 



Marion, Floyd and Posey counties; scarce. June 23-July 9 

 Occurs on willow bushes and the foliage of water-willow along 

 streams. 



2475 ( 7914). Macbatbia conftjsa Lee. Proc. Phil. Acad. Xat Sci YII 

 1855, 272. 



More slender and darker than murina. Head more rounded behind the 

 eyes. Thorax more slender, not wider than head, less narrowed in front 

 Elytral rows of punctures shallow, indistinct. Length 4-4.5 mm 



