P. J. Darlington, Jr.
A New Nebria from Mount Ranier.
Psyche 37:104-106, 1930.

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Psyche
[March
A NEW NEBRIA FROM MOUNT RAINIER
An examination of the types of Nebria kincaidi Schwarz and N. colzimbiana Casey, which the authorities of the United States National Museum kindly permitted me to make recently, proves that the two species are absolutely identical. Schwarz's name has priority. This leaves the insect which has sometimes gone in collections as Nebria columbiana Casey without a name, so I propose that it be called
Nebria vandykei sp. nov.
Moderately stout, legs and antennae slender. Color nearly uniform piceous or reddish piceous, but with the antennae and parts of the under surface more or less rufescent; the head with two poorly defined reddish spots between the eyes; the elytra with weak purplish reflections. Head about five-sevenths as wide as the prothorax, eyes only slightly more prominent than the sides of the head behind them, antennae more than one-half as long as the entire body. Prothorax about five-eighths as long as broad, strongly cordate, with the sides arcuate in anterior two- thirds and reflexed before the acute posterior angles; pro- thoracic base and apex moderately emarginate, base about five-eighths as wide as widest part; pronotum only slightly convex, median longitudinal line narrow and well im- pressed, basal and apical transverse impressions vaiiable but usually well impressed, lateral margins rather nar- rowly reflexed. Elytra about three and two-thirds times as long as the prothorax and one-third to two-fifths wider, elliptical, with the widest point behind the middle; humeri narrow, completely rounded into the sides as in Nebria ovipennis; striae deep, very finely and rather sparsely punc- tured ; intervals posteriorly with a few inconspicuous inter-



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19301 A New Nebria from Mount Rainier 105 ruptions. Inner wings only about one-third as long as elytra.
Length 10-13 mm. Width 4-5+ mm.
Holotype 8 and allotype in the writer's collection from MOUNT RAINIER, WASHINGTON, near Paradise Valley, just below snow line at about 6000 feet elevation, July 18 and 13, 1927. A good series of paratypes from the same locality; July 13 to 20. All specimens taken by the writer. There is some variation in the precise form of the basal angles of the prothorax and in the punctuation of the elytral strise, but the species is not a particularly variable one.
As has been said, this is the Nebria which sometimes goes in collections as columbiana Casey. It belongs to the ovipennis group, but differs from ovipennis, its closest rela- tive, in the subnietallic lustre of the e1yt1-a and the much longer antennae. It resembles also Nebr'ia kincaidi Schwarz (columbiana Casey), but the latter is a* more convex and brilliant species, with a more strikingly cordate pro- thorax, with the elytral intervals more interrupted, and with more prominent eyes. It was probably Casey's failure to point out the last character in comparison with Nebria ovipennis Lec. which first led to the misidentification of his species. N. vandykei is obviously distinct from the other American species of Nebria with obliterated humeri (ingens Horn, spatdata V. Dyke, riversi V. Dyke, and lyelli V. Dyke), although I know riversi and lyelli only from descriptions.
I take great pleasure in naming this Nebria for Dr. Edwin C. Van Dyke, who has discovered and described so many fine species of the genus in western North America.



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