Mar., 1904.] 
Hemipterous Fauna of Ohio. 
lOI 
CERCOPIDAE. 
Tomaspis bicincta Sa}'. Cincinnati (Dury). 
JASSIDAE. 
Phlepsiiis decorus O. & B. Severel specimens collected at Columbus by 
Mr. Albert Koebele. 
Phlepsius majestus O. & B. A specimen seen while collecting but escaped 
from net. It is a very active flyer and one of the most difficult Jassids 
to capture. 
Thamnotettix lusoria O. & B. Rather plentiful at Columbus in September 
and October, 1903. 
Chlorotettex spatulatus O. & B. Columbus, October, 1903. 
Dicraneura communis Gill. Wooster (P'. M. W.). 
Empoasca obtusa Walsh. 
APHIDIDAE. 
Phjdloxera caryaeren Riley. (Ditto.) 
Pemphigus rubi Thos. ( Ditto. ) 
Pemphigus populicaulis Fh. (Ditto.) 
Pemphigus populitransversus Riley. 
Shizoneura corni F'ab. Columbus. (Ditto). 
Shizoneura Rileyi Thos. On elm. (Ditto). 
Phyllaphis fagi D. Weed. (Ditto). 
Lachnus longistigma Monell, on willow, Columbus. 
Lachnus platanicola Rile}-. Columbus. 
Cladobius Smithae Monell, on willow, Columbus. (Ditto.) 
Cladobius bicolor Oest. Willow. Columbus. (Ditto.) 
Cladobius flocculosus Weed. Columbus. 
Chaitophorus negundinis Thos. (Ditto.) 
Chaitophorus viniinalis Monell. (Ditto). 
Callipterus discolor Monell. (Ditto). 
Callipterus bellus Walsh. (Ditto). 
Drepanosiphum acerifolii Thos. (Ditto.) 
Aphis cornifoliae Fh. Columbus. (Ditto.) 
Aphis maidis Fh. On corn. (Ditto.) 
Aphis pomi. Previously listed as mali. 
Aphis P'itchii. Columbus. (Ditto.) 
Aphis rubicola Oestl. Columbus. (Ditto.) 
Aphis crataegifolii Fh. (Ditto.) 
Aphis runiicis L. Columbus. (Ditto.) 
, Aphis prunifoliae Fh. 
Aphis maculatae Oestl. (Ditto.) 
Aphis marutae Oestl. Columbus. (Ditto.) 
Siphocoryne salicis Monell. Columbus. (Ditto.) 
Myzus rosarum Walk. ( Ditto. ) 
Rhopalosiphum berberidis Fh. (Ditto.) 
Nectarophora cucurbitae Thos. ( Ditto. ) 
Nectarophora pisi. The pea aphis. 
Nectarophora circumflexa Buckton. (Ditto.) 
