CURCULIONIDES. 265 



chanters and knees black ; tibiae black at tip ; tarsi black with a 

 whitish reflection at the tip of their joints. 



Length about one-tenth of an inch. 



I obtained numbers of this species from the seeds of an Astra- 

 gulus in August. '^ 



L.EMOSACCUS Sch. 



L. PLAGTATUS Fabr. Schouh. ; Curculio ncphele Herbst. 



This is a well marked insect, remarkable by the very large 

 fulvous mark on the disk of each elytron occupying two-thirds 

 of the whole surface. The tooth of the anterior thighs is very 

 prominent. I obtained it on the oak in July. 



THAMXOPIIILUS Schcinh. 



1. T. BARBITUS. — Body rather long and narrow, blackish- 

 brown, with confluent punctures : rostrum punctured, cylindrical, 

 as long as the head and thorax, slightly broader at tip, a little 

 curved ; thorax with one or two slight tubercles each side before : 

 elytra with the striae rather wide and deep, punctured ; thighs 

 with a tooth beneath. 



Inhabits Pennsylvania. 



Length to the tip of the rostrum three-tenths of an inch. 

 Belongs to the Subgenus Panus Schonh. 



[Placed by Schonherr in Majdalinus to which also belong the 

 following four species. — Leg.] [7] 



2. T. OLYRA Herbst (^Curculio) Natursyst. vol. 7, p. 7. 



The scutel is white ; this character was probably obliterated in 

 Herbst's specimen as he has not mentioned it. 



3. T. ARMicoLLis nob. {Ri/nchsenus) Journ. Acad. Nat. Sci. 

 vol. 3, p. 312. 



4. T. PANDURA. — Thorax with a lateral tubercle before the 

 middle and on the posterior angle ; tarsi piceous. 



Inhabits United States. 



Curculio pandura Knoch in Melsh. Catalogue. 



Body black, punctured : antennae piceous : rostrum slightly 

 arquated : thorax with separate punctures ; an angle or tubercle 

 each side a little before the middle, contracted before the pos- 



, *, 



