Eulia mariana Fern. was identified in Annapolis Valley orchards about twelve years ago and since has become one of the major orchard pests. Although outbreaks continue to occur, fruit growers should fully appreciate the value of natural control, which in one form or another is always assisting in keeping this insect in check. The various natural control factors may be recorded as follows:

(1) Mortality of pupae. (2) Parasites of larvae and pupae. (3) Parasites of eggs. (4) Predators.

A species of medium size, elongate-oval, sub-parallel, piceous to rufo-testaccous, usually aenescent. Head large. Antennae and palpi rufo-testaceous, slightly infuscate; clypeus, and labrum anteriorly, rufo-testaceous; two spots on the head rufous; pronotum and elytra with the side margins diffusedly rufo-testaceous in their anterior halves; elytra without pale spots; tarsi, tibiae and femora rufo-testaceous, sometimes clouded with piceous medially, the hind legs darker than the anterior pair. Abdominal sternites three, four and five paler posteriorly.

The following report deals with the description of one apparently undescribed species from Artemisia, and distributional notes on several additional aphid species belonging to the genus Capitophorus.

It has long been known that the species figured by A. Gibson under the name incorrupta Hy. Edw. in his excellent paper on Canadian Apantesis species (1903, Can. Ent. XXXV, p. 145, Pl.) is not the true incorrupta, which is a synonym of geneura Stkr. (1916, B. & McD. Contrib. III (3), 158). As there is apparently no name available for our Canadian prairie species I propose the above one in honor of one of the pioneer workers in this group in Canada.

The following descriptions and notes apply to those North American Leiodidae in which the mesosternum is vertical between the middle coxae and in which the anterior and middle tarsi are five-segmented and the posterior tarsi four-segmented in both sexes.