_Aphididæ._ Pemphigus populi transversus Riley, On Cottonwood.
_Aleyrodidæ._ Aleurodes sp. Abundant on Sycamore leaves.
_Cydnidæ._ One specimen as yet undetermined.
_Pentatomidæ._ Podisus cynicus Say, Brochymena annulata Fab., Cosmopepla carnifex Fab., Euschistus fissilis Uhl., E. tristigma Say, E. variolarius P. Beauv., Trichopepla semivittata Say, Thyanta custator Fab.
_Coreidæ._ Neides muticus Say, Jalysus spinosus Say, Corizus lateralis Say, C. nigristernum Sign., C. bohemani Sign., (?) C. noveboracensis Sign.
_Lygaeidæ._ Nysius thymi Wolff, N. angustatus Uhl., Orsillacis producta Uhl., Ischnorhynchus didymus Zett., Blissus leucopterus Say, Cymus angustatus Stal. Geocoris limbatus Stal, G. fuliginosus Say, Myodocha serripes Oliv., Ligyrocoris sylvestris L., Ptochiomera nodosa Say, Lygaeus kalmii Stal, L. turcicus Fab.
_Capsidæ._ Megalocoerea debilis Uh. (?), Miris affinis Reut., Compsocerocoris annulicornis Reut., Calocoris rapidus Say, Lygus pratensis L., L. plagiatus Uhl., Poecyloscytus basalis Reut., Camptobrochis nebulosus Uhl., Eccritotarsus elegans Uhl., Hyaliodes vitripennis Say. Episcopus ornatus Uh., Ilnacora stalii Reut., Pilophorus bifasciatus Fab, Malacocoris irroratus Say, Garganus fusiformis Say, Halticus uhleri Giard, Styphrosoma stygica Say, Neoborus laetus Uhl., Plagiognathus obscurus Uhl., Plagiognathus sp., Agalliastes associatus, Uhl.
_Reduviidæ._ Sinea diadema Fab., Acholla multispionosa DeG., Diplodus luridus Stal.
_Hygrotrechidæ._ Hygrotrechus remigis Say, Stephania picta H. Schf.
Of the above list nearly thirty have not been recorded for the state hitherto and there are a few specimens which are as yet undetermined.
ADDITIONS AND CORRECTIONS TO THE “ODONATA OF OHIO.”
Since the publication of the Odonata of Ohio, there have been several species of dragonflies added to the State list, and we have had reasons to change our minds regarding the identity of two species at least.
Enallagma Fischeri, Kellicott, is a synonym of Agrion antennatum, Say, consequently the species will henceforth be known as Enallagma antennatum, Say.
Our Gomphus lividus, Selys, is Gomphus sordidus, Selys, and Gomphus externus, Selys, is Gomphus crassus, Hagen.
1. Lestes eurinus, Say, taken June 3, 1900, by E. B. Williamson in Portage County. Numbers of both males and females of the species were taken on Cedar Point, at Sandusky, July 10 of the present year.