536 



FAMILY XVII. ENDOMYCHIDiE. 



II. Symbiotes Redt. 1849. (Gr.. "living together.") 



Small, elongate-oval species, having the body pubescent with re- 

 cumbent hairs; antenna- 11 -jointed, first two joints thick, 3 to 8 sub- 

 equal, 9-11 forming a prominent club; thorax with a prominent 

 transverse basal impression, from which a narrow impression or 

 sulcus extends forward on each side nearly one-half the length of 

 thorax; elytra with punctures arranged irregularly or in rows; 

 sutural stria distinct, One species has been taken in Indiana. 



1023 ( ). Symbiotes ddeyi Walton MS. 



Oblong-oval, subconvex. Uniform dull brownish-yellow, sparsely pubes- 

 cent with bright yellow hairs. Thorax twice as broad as long, sides evenly 

 curved on apical two-thirds, parallel on basal third, apex truncate; disk 

 with an oblique carina on each side extending from middle to near hind 

 angle, this the outer boundary of the lateral sulcus extending forward from 

 the basal impression ; margins reflexed but not flattened ; surface finely and 

 evenly punctate. Elytra with sides nearly parallel to beyond middle, thence 

 narrowing to a rounded apex, margins distinctly reflexed; surface with 

 rows of very fine punctures. Length 2.2 mm. 



One specimen in Wolcott collection from near Battle Ground, 

 Tippecanoe County. July 4. 



III. Rhanis Lec. 1853. (Gr., "a spot,") 



Here belongs one narrow, elongate, nearly glabrous species, hav- 

 ing the last joint of the maxillary palpi cylindrical; prosternum 

 obsolete between the front coxa?. 



1024 (3178). Rhanis tjnicolor Ziegl., Proc. Phil. Acad. Nat. Sci., II, 1844, 



272. 



Elongate, subparallel. Reddish-brown, shining; elytra usually black 

 with the shoulders often indistinctly and the apex very broadly, reddish ; 

 sometimes uniform reddish-brown throughout. Upper surface rather finely 

 and sparsely punctate. Length 3.5 mm. 



Throughout the State; frequent. April 4-September 21. Some- 

 times found in autumn on the flowers of thorough wort (Eupa- 

 torium) • more often sifted from the debris of beech stumps. 



IV. Phymaphora Newm. 1S3S. (Gr., "tumor + bearing. ") 



Small elongate species having the prosternum narrow but dis- 

 tinct between the front coxa> ; mesosternum bicarinate; antenna! club 

 of male very large, perfoliate, its basal joint as large or larger than 

 the head. (Fig. 4, No. 8.) One species occurs in the State. 



