labid'itridac, a family of the Dcrma'ptera. 
105 
Sub-family b.-PYRAGRINAE. 
This sub-family requires a revision and I now offer the 
following observations. The group represents the passage 
from the Pygidicra.ninae to the Lahidurinae-, both de 
Bormans and Verhoetf have given too much weight to the 
superficial resemblance to the former family. But apart 
from the essentially Labidurine form of the pygidium, the 
smooth and rounded femora, the sternal plates, and the 
elytra, are quite distinctive. 
The anal or axilliary angle of the elytra is weak, and 
consequent!}^ a small scutellum is sometimes exposed, but 
this apparently Pygidicranine feature is inconstant. De 
Bormans examined 150 specimens of Pyrayra fiiscata, and 
found this minute scutellum visible in about half of them. 
The elytra are not keeled in any known species; the 
body is usually strongly pubescent, but never has the 
dilated bristles which characterise the Echinosomatinae ; 
the lobe of the metasternum has a sinuous posterior margin 
as in that group, and as in the Pygidicraninae, but the 
anterior margin of the prosternum is always more or less 
pointed. 
I include here four genera, all exclusively Neotropical, 
of which one is new. 
TABLE OF GENEHA. 
1. Pronotuin sublongius quain latius, 
antice aiigustatuni. (Segnientum 
pemiltimuni ventrale ^ emargina- 
tum ; tarsi longi.).1. Pyragm, Serv. 
1.1. Pronotum transversuni, margine 
antico recto. 
2. Segmentum pemiltimuni ventrale d 
emarginatum.2. Propyragra, n. 
2.2. Segmentum penultimum ventrale 
^ integrum. 
3. Caput depressum; tarsi breves . 3. Pyragropsis, Borelli. 
3.3. Caput tumidum ; tarsi longi . 4. Echinopsalin, Bonn. 
To supplement this table we may add that the head is 
depressed and the femora rather heavily thickened in all 
the genera, except Echino^isalis ] while tlie tarsi are long 
in all, except Pyragropsis. 
