546 . 
ANTHEROPHAGUS 8IMILIS. 
Order Coleoptera. Fam. Engidae? — Silphidae Leach, 
Type of the Genus, Tenebrio pallens Linn. 
Antherophagus Meg., Curt.- — Cryptophagus Gyll. — Mycetophagus 
Fab. — Tenebrio Linn., Mars. — Silpha Mars. 
Antennae inserted before the eyes, close to the base of the man- 
dibles, longer than the head, generally robust, clavate, pilose, 
11 -jointed, basal joint large, globose, the base narrowed and 
capitate, 7 following joints stout and somewhat cup-shaped, 
gradually increasing in size, the remainder forming a subovate 
club, 9th and lOtli joints being cup-shaped, the 11th very pu- 
bescent, narrower and ovate-conic (6). 
Labrum suborbicular, truncated at the base, the angles project- 
ing a little, anterior margin entire, ciliated and producing a few 
long bristles (1). 
Mandibles exserted, rather large curved, bifid towards the apex, 
one being more angulated externally and serrated on the inside 
(2 *), with a deep internal circular excavation, forming an acute 
angle above and a rounded protuberance below, a little ciliated 
( 2 ). 
Maxillae bilobed and densely pubescent at the apex, internal 
lobe long and slender with several curved spines towards the , 
apex, the other lobe longer broader and ovate. Palpi stout pu- 
bescent and 4 -jointed, basal joint the slenderest, notched exter- 
nally, 2nd and 3rd broad somewhat obovate, 3rd slender and co- 
nical (3). 
Mentum transverse, narrowed before, the angles lobed and the 
centre a little produced. Lip rather large, the angles forming 
ciliated rounded lobes, the centre convex and pilose at the apex. 
Pa/jntriarticulate, basal joint somewhat chalice-shaped, 2ndsemi- 
ovate, 3rd the longest fusiform- conic, the apex glandular (4). 
Head rather large, semiovate : eyes small and lateral. Thorax trans- 
verse-oblong : scutellum transverse-ovate. Elytra somewhat elon- 
gate-ovate. Wings ample. Legs rather short and stout : thighs sub- 
elliptic : tibise short, compressed and clavate : tarsi short, cushioned 
beneath, 5 -jointed, first 4 joints more or less dilated in the males ? 
subquadrate-ovate, 5th long and sublinear (5), posterior pair 4- 
jointed in the males ? (f) first 3 joints somewhat oblong : claws long 
bent and acute. 
Similis. — Curt. Guide, Gen. 155. 
In the Author s Cabinet. 

Of this genus, which makes a very near approach to Crypto- 
phagus (pi. 160), there are many specimens that are hetero- 
merous, and they are suspected by Gyllenhal to be the males, 
but if such be the case I have never seen that sex of No. 1. 
The following have been recorded as British : 
1 . A. silaceus Herb . — nigricornis Fab. — castanea Mars. 
Female? 2^ lines long: elongate-ovate, silky, ferruginous- 
ochre, thickly and minutely punctured : antennae rather 
