BULLETIN OF THE BROOK TAW ENT. SOG 



Description of the larva of Patrobus longicornis. 



By F. G. Schaupp. 



Form elongate, broadest in front, narrowing posteriori}-. 



Color. Head and thorax rufous, brownish, abdominal scutes black, 

 legs, antennae and underside pale. 



ffead\arge, longer than wide, as broad as prothorax, hexagonal. 

 above convex ; anterior angles rounded, posterior angles prominent. Sides 

 hairy, subsinuate near the eyes and before the base. 



Eyes large, six on each side, situated at a little distance from the base of 

 the antennae, prominent at the middle of the anterior sinuationof the head. 



Antenna: four-jointed; first joint sub-cyhndrical, r.s long as the slight- 

 ly club-shaped second joint; third shorter, very much thickened at tip, 

 supporting the slender fourth joint of equal length and also at the outside 

 a short process; the first joint has but one bristle, the second is glabrous 

 and the third and fourth are set with three bristles. Near the tip of the 

 third joint there is a stout thorn and a longer process projecting outwards. 



Mandibles long, arcuate, with one stout tooth behind the middle. 



Maxilloe veiy long, basal joint very short, second or cardinal piece 

 long, subcylindrical, slightly thicker towards apex, thickly set with bristles 

 at the inside and supporting a four-jointed palpus and two-jointed lobe. 

 First joint of palpus stout, short, second twice as long, but much thinner, 

 third and fourth as long as second, slender, the third a little stouter than 

 the fourth. The first joint of lobe longer than the first joint of palpus, 

 but slender, the second of same length, but even more slender. 



Mentum transverse trapezoidal, broader than long. Ligula narrow 

 at base, broadening toward apex, densely set with bristies, with a terminal 

 obtuse prolongation at middle: palpi two-jointed, the first longer and 

 stouter than the second. 



Prothorax longer than bread, angles obtuse; as broad as the head, 

 but longer, the sides sub-parallel. 



Mesothorax sub-quadrate, slightly arcuate at tip. 



Metathorax similar to Mesothorax. 



Abdomen, first segment shorter than the following which are nearly of 

 equal length gradually becomming narrower and more elongate, the 

 ninth small and cylindrical with a tubular prolongation and the anal fork 

 set with bristles. 



The sides of the thoracic and the abdominal segment are set with 

 bunches of bristles; the former with two bunches, the other with one. 



Spiracles nine at each side, as in other Carabidae, the first above the 

 middle feet. 



