542 



FAMILY XVIII. — ^EROTYLIDzK. 



g. Head black ; thorax oblong, its sides nearly parallel, disk with a 



large greeni'sh-black spot. 1035. i^eoontei. 



gg. Head more or less red; thorax elongate, distinctly narrowed behind 



the middle, its disk with a greenish-black stripe. 1036. gracilis. 



1031 (3199). Langueia bicolok Fab., Bnt. Syst, Suppl., 1708, 50. 



Elongate. Head and thorax reddish, the latter with a black spot on 

 disk; scutellum and elytra bluish-black, shining; beneath reddish-yellow, 

 legs, last abdominal segment and antennte, black. Thorax quadrate, obso- 

 letely punc-tate, rather narrowed in front, the sides rounded. Elytral striae 

 not impressed but marked by rows of punctures. Length S.5-12 mm. 



Throughout the State ; more frequent southward. May 1-Juiie 

 25. Ot'furs especially on tlie leaves of the i)ale Indian Plantain 

 {Mcsadniia airiplicifolui L.) in the stems of which the larvse live. 



*Ui:;:i (:J200). LAist:ujiiA mozakm Lat., Gen. Crust., Ill, ISOT, Ci;. 



]{)lon:,'at(', parallel. Head and 

 t h o r a X red; elytra bluish- 

 black, shining; beneath red, 

 the last two or three abdomi- 

 nal segments, tarsi, antenna; 

 and apical half of femora, 

 black. Head and thorax spar- 

 ingly punctate. Elytra punc- 

 tate as in Mcolor. Length 5.5- 

 S mm. (Fig. 202.) 



Throughout the State ; 

 Jt common. January 1-No- 



Fig. 202. Languria mozardi, a, egg; b, laiva in clover stem: c, i o t\ r j_ • t 



larva; (i, pupa; e, adult. (After Comstock) Veillber 8. JMateS lU JuDS 



and may then be found es- 

 pecially on wild lettuce {Lactuca.) The larvae, known as the 

 clover-stem borer, ' ' live in the stems of clover and often do much 

 injury to that crop. 



L. discoideii Lee, length 7-S mm., is known from the southern 

 States and may occur in southern Indiana. 



1033 (3201). Lanqukia angxstata Beauv., Ins. d'Afr., 1S05. 125. 



Elongate, rather narrowed behind. Head, antenmis and elytra bluish- 

 black, the latter narrowly reddish, near middle of sides; scutellum black; 

 thorax reddish-yellow ; beneath reddish-yellow, the last two abdominal seg- 

 ments, tarsi and tips of femora, black. Thorax sparingly and indistinctly 

 punctate, the base strongly margined. Elytra punctate as in Ucolor. 

 Length 6-7.5 mm. 



Marion, Orange and Posey counties; scarce. April 26-October 

 6. Taken from flowers of Ranunculus aiul goldenrod. The speci- 

 mens at hand belong to the color varielv uldcrii Horn. 



