1890.] Record of American Zoölogy. 445 
Harrincton, W. Hacur.—Harpiphorus maculatus Norton. 
Insect Life, II., 227, 1890.—Identity of Harpiphorus and Mon- 
ostegia. 
WEBSTER, F. M.—Adults of the American Cimbex (C. ameri- 
cana) injuring the willow and cottonwood in Nebraska. Znsect 
Life, I1., 228, 1890. 
Ritey and Howarp.—The Dogwood Sawfly (Harpiphorus 
varianus). Insect Life, Il., 239, 1890. 
Howarp, L. O.—Some new parasites of the grain plant louse. 
Insect Life, II, 246, 1890.—Describes Pachyneuron micans, 
Megaspilus niger, Encyrtus websteri. 
Howarp, L. O.—One more word about Rileya. Can. Ent., 
XXI., p. 13, 1889.—Polemical. 
AsHMEAD, W. H.—A final word about the genus Rileya. Can. 
Ent, XXI., p. 37, 1889. Polemical.—Chrysoplatycercus pro- 
posed for Rileya of Howard. 
Howarp, L. O.—Again Rileya. Can. Ent., XXI., p. 59, 1889. 
—Ashmeadia for Rileya. 
HarRrıNGTON, H. H.—New species of Tenthredinidæ. Can. Ent., 
XXI., p. 95, 1889.—Nematus ocreatus (Quebec), Harpiphorus 
vestitus (Quebec), Phymatocera nigra (Ontario), Macrophya pro- 
pinqua, Taxonus rufipes, Tenthredo semicornis (Ottawa), Tenthre- 
dopsis evansit (Ontario). 
—Ilbalia maculipennis l. c., p. 141, 1889.— 


Habits. 
FLETCHER, JAMES.—Popular and Economic Entomology. No. 
4. Can. Ent, XXI., p. 150, 1889.—Nematus ribesi. 
HEMIPTERA. 
WHEELER, W. M.—Homologues in Embryo Hemiptera of the 
. appendages to the first abdominal segment of the Insect Em- 
bryos. Am. Nart., XXIII., p. 644, 1889. (See also Am. NAT., 
XXIV., p. 187, 1890, and No. 4 
Hacen, H. A—Lac Insects. Psyche, V., p- 168, 1880. 
WHEELER, W. M.—Uber driisen artige Gebilde in ersten 
abdominalsegment der Hemipterenembryonen. Zool. Anzeiger, 
XIL, p. 317, 1889. Vide supra. 
