132 
Psyche 
[June 
not equivalent to TL. The word “ventrite” has been used for each 
of the five visible abdominal sternites; thus the first and last ventrite 
refer to abdominal sternites three and seven, respectively. Descrip- 
tions of pronotal and elytral punctation should be used with caution, 
since the apparent diameters of punctures may vary considerably with 
the angle of light. 
A complete family definition and comparisons with related or 
similar groups have been provided by Sen Gupta and Crowson 
(1973). A brief summary will be given here. Adult Cerylonidae 
may be characterized as follows : 1 ) antennal insertions exposed ; 
2) antennal club compact, rarely with more than 2 segments; 3) 
corporotentorium with median anterior process; 4) procoxae small 
and rounded, with concealed lateral extensions; 5) mesocoxal cavi- 
ties broadly closed outwardly by the sterna and joined by a straight 
line; 6) trochanters not or only weakly heteromeroid (obliquely 
attached to femur) ; 7) tarsal formula 4-4-4 (or rarely 3-3-3), the 
segments simple (or rarely the first lobed), with simple claws; 8) 
hind wing without a closed radial cell and with one anal vein, or 
with the first anal running into the subcubital fleck; 9) abdominal 
ventrites free, the first distinctly longer than the second; 10) aedea- 
gus of the clavicorn type, lying on its side when retracted, often 
with a reduced tegmen. In addition, the majority of cerylonids are 
glabrous, and many have reduced antennal segmentation, aciculate 
maxillary palps, femoral lines, and a crenulate hind margin on the 
last ventrite. 
Several of the above characters are shared with other families of 
the cerylonid series (Crowson, 1955), namely, the Sphaerosomatidae, 
Endomychidae, Coccinellidae, Corylophidae, Discolomidae, Mero- 
physiidae, and Lathridiidae. The broadly closed middle coxal cavi- 
ties, characteristic tentorium, more or less compact antennal club 
rarely more than 2-segmented, and simple tarsi will distinguish the 
cerylonids from most of the above groups. Corylophids have similarly 
closed mesocoxal cavities, but the tentorium is reduced, the antennal 
club is 3-segmented and relatively loose, and the second tarsal seg- 
ment is often lobed. Although cerylonids were formerly included in 
the family Colydiidae, members of the latter group are easily dis- 
tinguished by having the basal three or four ventrites connate, the 
aedeagus of the pseudotrilobe type, and the trochanters strongly 
heteromeroid or the antennal insertions concealed. 
Cerylonid larvae are elongate or oval in shape, without or with 
weakly developed frontal sutures, and with o, 2, or 3 ocelli on each 
side of head. The antennae are relatively short, with the sensory 
