42 BULLETIN OF THE BROOKLYN EXT. SOC. 



DESCRIPTION OF THE LARVA 

 OF STAPHILINTJS MACTJLOSTJS. Grav. 



Form elongate ; narrower posteriorly, 



Color castaneous ; abdomen dirty white. 



Head subquadrate, suddenly constricted at the base ; hind 

 angles rounded, above slightly flattened, beneath feebly convex, 

 gular region in front slightly concave ; frontal margin arcuate, 

 strongly serrate with 9 teeth. 



Eyes four on each side, placed behind the base of the man- 

 dibles. 



Antennae four jointed, arising from the front within the base 

 of the mandibles, and not longer than those ; first joint short, 

 conical; second elongate, slightly clavate : third, two-thirds the 

 length of second and more slender, and with a short spine at tip 

 on the inner side ; fourth joint very slender and half the length 

 of the third, these last two joints with several short hairs near 

 their tips. 



Mandibles simple, moderately elongate and arcuate. 



Maxillae moderately long, basal joint short and rather stout, 

 second or cardinal piece elongate, with a short lobe of two im- 

 moveable joints arising from the tip at the inner side and a three- 

 jointed palpus externally, the first two joints of the palpus are 

 similar, the third shorter and aciculate. 



Mentum triangular, narrowest in front, coriaceous, support- 

 ing a ligula which is narrow at base, suddenly broader at apex, 

 and with a terminal acute prolongation, palpi two-jointed, the 

 basal joint elongated, the terminal joint scarcely half as long, 

 slender and awl-shaped. 



Pro thorax slightly broader than long, narrower than the 

 head, broader at base than apex, sides very feebly arcuate, sur- 

 face smooth, an antebasal transverse line. 



Mesothorax transverse, much shorter than the prothorax, 

 slightly narrower and with antebasal line. 



Metathorax similar to the mesothorax. 



Abdomen first segment narrower than the others, segments 

 2-8 gradually more elongate and narrower, ninth very small and 

 tubular and with a moderately long tubular prolongation, and 

 two slender subarticulated appendages, which have long bristly 

 hairs. 



Spiracles, nine on each side,- the first large, under the basal 

 angle of the prothorax, second at the side of the first abdominal 

 segment a little smaller than the first ; spiracles 3-9 are small 



