818 FAMILY XT.. TjAMPYRID^. 



triangular, the apex rounded. Elytra finely granulate, with four or five 

 longitudinal, slightly raised lines, which are abbreviated on apical third. 

 Length 8-11 mm. 



Throughout the State; common. June 4-July 7. Occurs on 

 low heritage and trunks of trees in woods. Also often noted in 

 flight. When captured it exudes from the joints of the legs and 

 sides of abdomen a milky fluid having a disagreeable odor. 



1553 (4811). LuciDOTA punctata Lee, Proc. Phil. Acad. Nat. Sci., V, 1851, 



333. 

 Oblong, narrow, subdepressed. Black, opaque, sparsely clothed with 

 grayish pubescence; thorax with dorsal spot and basal margin black, the 

 spot often almost disconnected from the base, and with a reddish or orange 

 spot each side ; hind angles usually dusky. Elytra coarsely granulate-punc- 

 tate. Length 5.5-6 mm. 



Kosciusko County ; rare. Probably throughout the State. June 

 25. Taken by sweeping low-ground herbage. 



VIII. Ellychnia Lee. 1851. (Gr., "a lamp-wick.") 



AntennEE narrow, strongly compressed, with, the second joint 

 but little M'ider than long and about one-third as long as third, 

 which is not longer than fourth ; dorsal segments not acutely lobed 

 at sides and, except the next to last, not produced backwards. The 

 light organs are lacking and the species therefore diurnal. Two 

 species and one variety occur in Indiana. 



1554 (4815). EixYCHNiA coerusca Linn., Syst. Nat., Ed. XII, II, 1785, 644. 



Oblong-oval. Black or rusty black; thorax with disk 

 and side margins black ; between these is a reddish and yel- 

 low space or line. Third joint of antennse longer than wide. 

 Thorax semi-oval, its apex regularly rounded. Elytra finely 

 granulate and thinly covered with a fine, prostrate yellowish 

 pubescence ; each with three or four rather indistinct costae. 

 Length 10-14 mm. (Pig. 316.) 



attoKnotei)' Thi-oughout the State; common. April 1-October 



21 . (Occurs in spring on trunks of trees in open wood- 

 land, especially m those of maple at O]- neai- flowing sap; in au- 

 tumn on flowers of goldenrod and asters. Noted mating on April 

 26 and May 2S. 



15o4a (4815a). Ellycitn:a coerusca autumnalis Melsh., Proc. Phil. Acad. 

 Nat. Sci., II, 1S15, 303. 

 Much smaller and relatively broader than corrusea. More brownish 

 in hue and wilh the rnised lines of elytra almost obsolete. Length 7-7.5 mm. 



