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In collecting adults of the armyworm, and other moths for oviposition studies, a simple method of capture at baits was found useful. An electric flashlight, having a flat lens, was used with a flat-bottomed vial three-quarters of an inch in diameter, straight sided and about five inches deep. It will be found that when the bottom of the vial is placed against the lens of the flashlight both can be firmly grasped in the right hand.
Light traps have long been used to indicate cutworm moth population, but a survey of the literature reveals no instance in which light trap catches have been compared with any other source of information regarding the moth population. It has apparently been assumed by all workers, the writer included, that a light trap record furnished a reliable random sample of the population. Certain data have recently accumulated, horvever, which make it desirable to question this assumption, and some of these data will be presented here.
This genus was named by Enderlein for the reception of a single species, S. cornutiventris Enderlein, from Peru. No indication was given as to the systematic position of the genus, but the generic characters were clearly indicated and it is evident that it belongs—on the basis of Crawford's system, at least—in the subfamily Cherminae, which is Crawford's subfamily Carsidarinae. In fact, on the basis of Crawford's keys it would apparently run to Chermes (=Homotoma). On the basis of the very brief characterization of this genus elsewhere given by Enderlein it would appear that the genus Synoza is sufficiently distinct by reason of the curious venation of the wings alone.
In attempting to determine specimens of Dicyphus using Blatchley's key (Heterop. East. N. Am. 1926, p. 908) difficulty was encountered and the following key is presented to facilitate the identification of the species occuring in Eastern North America. It has already been demonstrated by Knight (Bull. Brook. Ent. Soc., XXII, 1927, p. 104) that D. notatus Parshley is a synonym of D. vestitus Uhler and that D. gracilentus Parsh. should not be confused with vestitus Uhl.
This study of the taxonomic units comprising the genus Odontaeus Dej. has occupied, for the past three years, by far the greater part of such time as I can devote to entomology, and yet it is with a feeling of dissatisfaction that the following conclusions are offered to coleopterists.
In the Canadian Entomologist, Vol. XLVIII, 1916, p. 94, I described as new Onthophagus nigrescens from Dunedin, Florida. In the same periodical, Vol. LI, 1919, p. 31, I described Onthophagus alutaceus, also from Dunedin. These two species are, respectively, the numbers 13085 and 19946 of the Leng Catalogue and Supplement.