OF THE 



iv00klwtt ^ntomoltguxt ^wutv. 



VOL. III. BROOKLYN, JULY, 1880. No. 3. 



Description of the Larva of Chlaenius Laticollis, Say. 



Length of full-grown larva, 25 mm.; width of third abdominal 

 segment, 4 mm. 



Form elongate. 



Color. Head light rufous ; front dark ; thoracic scutes dark 

 blue ; abdominal scutes black ; antennae pale yellow ; legs pale, 

 with coxse black ; apical appendages, one-fifth of their length at 

 base, rufous, at middle black, at tip nearly white. The ventral scu- 

 tes, arranged as in Dicselus, Pterostichus, etc., are pale brown. 



Head subquadrate, somewhat flat ; occiput slightly convex. 



Eyes. Six ocelli on each side ; a long bristle on the ophthalmic 

 ridge. 



Antennw four-jointed, situated immediately behind base of man- 

 dibles. First joint elongate, with base and tip equally thick ; second 

 joint clavate, slightly shorter than first ; third joint as long as sec- 

 ond, base and tip equally thick, with thickened curvature outward 

 and forward ; fourth joint slender, half as long as the preceding. 



Mandible* strongly developed, arcuate interioily near the mid- 

 dle with a blunt process and a very minute, slender penicillus of 

 silky hair. 



Mamttae as long as the antennae ; first joint elongate, interiorly 

 near tip, with a two-jointed immovable process, below which there 

 is another minute process terminating with a bristle, and externally 

 with a four-jointed palpus, first and terminal joint equal in length, 

 the latter aciculate ; the two middle joints longer ; the penultimate 

 is narrower at tip. 



