£6 BUIXETIX 52o. U. S. DEPARTMENT OP AGEICULTrT.I. 
5. — Head without prominent antennal : U s Antenn i six 
- ..rmed ■with subareolar sensoria. Venation of the fore wings normal: hind 
gE with. Hie cubitus absent: comiclef . og te slightly sw lien : :.: the distal 
anity, bur " " a prominent neck near the proximal end. Cauda rather 
broadly conical. 
Leal ^Vlsn. 
Gems CAVASOCBLLA Dei :_f:cio. 
Plate YT,X-Z. 
iffl] : -":.: 
VSli ' I i 1 ilk j tela] paseci ; ~. 
::" I 3aDL Agr. T . > . Ui " 4ia 
Two new genera were erected in recen: years: One by Del 
Gue: . variella. with . U L .as type; the >ther by 
II ilko 3 called Corynosiphon, but with no species defini 
given. In a footnote, however. Mordwdko refers ca 1 Fab. to 
his C siphon. Both of the-- genera, therefore, were nsed for 
insects of the same general type. This may be said too of 
Nipposiphnm. 
—Head with ni Cue I antenna] : - /nteima? of six e sjmente, 
mjnentsens ria. Wing venation normal Cornicles soi ^ lien 
near the distal end : c : " agate som ewh a t : : ideal : abc a to b erele 
- - fcot srcle » h ra m si ;. : mm ait in the j tea oe form. 
!.."-:. I . - lee - C apte 
Type. 4j " - L. 1 
Genus DEROSPHA Del I- -ercio. 
130C S LStax Fh ::.•:::-;.:; . 115. 
L Hist. S " p. 1. 
The genus Cerosipha Del Guercio was erected for a species 
: Del Guercio. somewhat similar to Aphis but with five seg- 
ments to the antenna?. The writer has been unable to study the type 
species and- sed his remarks American 
— Head "with inent antenna! tubercles: antenna? :: a _ ents. 
-like, armed with sabcdrcnlai sensoria I igs vrith the media twice 
branched, bin d "wings with both media and cubitus present. Cornicles cylindri i 
some^ e -ring, cauda Aphis-like, somewhat tapering. 
Tv typical 'pha passer 1 G. 
O-us CRYPTOSEPBUM !_-: 
t?VLPP, QQ. 
rosiphum Buckton can be distinguished from others 
having very short cornicles by the which is he: and 
rounded, while in most other cases it is very long 
; . — Head " :ennal tubercles. Antenna? . .ents. 
rather short, and with £ - themed: 
twice branched. Hind "wings with both media and c . 
i The - I paper Del Gnezoo used pattinacat .. 
erf Cars:. I xxor Del G 
throng b 
