542 



FAMILY XVIII. EROTYLID/E. 



*lo::i' (:&200). 



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



large greenish-black spot. 1035. LECONTEI. 



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



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



1031 (3199). LANGUKIA BICOLOR Fab., Ent. Syst, Suppl., 1798, 50. 



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

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

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

 letely punctate, rather narrowed in front, the sides rounded. Elytral strife 

 not impressed but marked by rows of punctures. Length 8.5-12 mm. 



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

 25. Occurs especially on the loaves of the pale Indian Plantain 

 in <ilrii>]n'i/'<>li<i L.) in the stems of which the larvae live. 



LANGUKIA MOZAHUI Lat., Gen. Crust, III, ISO", GO. 



Elongate, parallel. Head and 

 thorax 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 birolor. Length 5.5- 

 8 HUH. (Fig. 202.) 



Throughout the State ; 

 at common. January 1-No- 



Fig. 202. Languria mozardi. a, egg; b. larva in clover stem; c, n r 



larva; d, pupa; e, adult. (After Comstock.) Velllber 0. IMatCS 111 Jlllie 



and may then be found es- 



pecially on wild lettuce (Lactuca.) The larva, known as the 

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

 injury to that crop. 



L. discoidca Lee., length 7-8 mm., is known from the southern 

 States and may occur in southern Indiana. 



(3204). LANGURIA ANGUSTATA Beauv., Ins. d'Afr., 1S05, 125. 

 Elongate, rather narrowed behind. Head, antenna' and elytra bluish- 

 . Ilic latter narrowly reddish, near middle of sides: scutelltim black; 

 lli-.rax reddish-yellow; beneath reddish-yellow, the last two abdominal seg- 

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

 I'um-iatp. the base strongly margined. Elytra punctate as in bicolor. 

 Length 6-7.5 mm. 



Aim-ion. Orange and Posey counties; scarce. April 26-October 

 Taken from flowers of Ranunculus and golden rod. The speci- 

 mens jit hand belong to i|, ( . ,-olor variety uhlerii Horn. 



