BULLETIN BROOKLYN ENTOM. SOC. VOL. V. [May 1882. 
Description of the larva of Silpha americana. Zi. 
By F. G. ScHaupp. 
Form oval, very broad, broadest at middle. 
Color, deep black above, dark gray beneath. 
Length 20 mm. 
Head small, rounded, broader than long, slightly scabrous anteriorly. 
yes four on each side, ‘ 
Antenne four-jointed, first broad but very short, the three others of 
equal length, much longer than the first, the third dilated at the outer side 
near the tip, fourth slender, tapering to a point. 
Mandibles short, very strong, obtuse, two blunt teeth at the inner side. 
Maxille thick, short, first joint small, 2nd joint large, broader at 
base supporting the lobe, first joint long and thick, shghtly contracted near 
the middle, and with a row of stout bristles at the inner side near tip, and 
the second joint very short, flattened and hairy at tip, Jooking like a cap 
surmounting the first joint; the maxillar palpus three-jointed, the joints 
being nearly of equal length, the first constructed at the middle, the 2nd 
slightly clavate at tip, 3rd tapering to a point. ; UM 
Aentim heart shaped, ‘ligula of nearly same form, labial Pie widely 
separated, with two joints of equal length, the second more slender. 
Prothorax, mach broader than head, twice as broad as long, broad- 
er at apex. 
Meso-and Mtebponrnce shorter and wider than prothorax. c 
Abdominal segments nine, of equal length, becoming narrower towards ~ 
the tip, each with an impressed puncture at each side, a ney short anal ° 
fork; posterior angles distinct. ia 
Legs, rather short, stout, covae thick and elabrous, imigkel elongate, 
pilose, tibize short and cylindrical, studded with strong spines, tarsi with 
one claw. 
As I remarked (Bull. IL, 30.) the raising of Necrophori and ‘Silph- 
idze would be a very easy thing, soit was. I have‘tried it with but two 
species: Necrophorus tomentosus and Silpha americana, and I was suc- 
cessful enough. 
The larvee of the different species of Silpha resemble each other very 
closely; they are stout, broad and entirely black. ‘They run and grow 
after a moult they are snow white, but soon become black. 
23, developed July 4. 
very quickly and are hearty eaters; they moult about every fifth day, just 
One larva obtained May 20, was ou ales: June 20, pupated June 
oil a 
Sey 
