British CoLuMBIA. 1921 
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Tortrie invidana Barnes & Buseck. Described from specimens taken at Duncan, B.C. 
(A. W. Hanham), and Victoria, B.C. (collector’s name not given). During the past season 
the writer was fortunate in capturing four specimens of this new species, one of which is 
figured on Plate II. 
Peronea marimana Barnes & Busck. Described from specimens taken at Duncan, B.C. 
(A. W. Hanham), and Victoria, B.C. (A. J. Croker). The writer has also taken this species 
at Goldstream, and Mr. L. E. Marmont took a nice series at Maillardville, B.C., one of these 
being figured on Plate IT. 
Coleoptera. 
Aphodius canadensis Garnett. Described in Can. Ent., Vol. 52, page 139, June and July, 
1920, from six specimens taken by Mr. C. B. Garrett at Cranbrook, B.C. (five), and Crowsnest, 
B.C. (one). This species is a small shiny black beetle about a quarter of an inch in length and 
belongs to the family Scarabidx. 
Hymenoptera (Parasitic). 
Arotes maurus Rohwer. Described in Pro. U.S. Nat. Mus., Vol. 57, page 517, 1920, from 
two females taken at Mission, B.C. (collector’s name not mentioned). This species belongs to 
the tribe Acoenitini of the family Ichneumonid. This new species of ichneumon-fly measures 
about three-quarters of an inch in length, with slightly yellowish hyaline wings with dark-brown 
veins. 
Platycampus victoria MacGillivray. . Described in Can. Ent., Vol. 52, page 59, March, 1920, 
from specimens bred by Mr. W. Downes at Victoria, B.C. This is the adult of the orange and 
black larvee which are so destructive to the Lombardy poplar in Victoria during September. 
Reference was made by the writer in Rep. Proy. Mus. Nat. Hist., B.C., 1917, page 9, to a — 
particularly bad infestation during that year. As the larve are so well known to the average 
Victorian, a short description of the adult insect taken from specimens bred by the writer 
several years ago may prove of interest. Head and thorax glossy black; body deep yellow, — 
with two pairs of transparent, iridescent wings. On the front margin of the first pair of wings, 
two-thirds out from the body, is a blackish mark called the stigma. The antenne or feelers 
are yellowish in the male and blackish in the female; the three pairs of legs are yellow. It 
measures about a third of an inch in length and four-fifths of an inch from tip to tip of the wings 
when spread out. My bred specimens emerged in the first week of Wune. This species belongs 
to the family Tenthredinide. They are popularly known as sawflies from the fact that the 
abdomen of the female is furnished with a pair of saws which can be pushed out and moved 
up and down. They are used for making slits in leaves or other vegetable tissue in which the | 
eggs are laid. 
Diptera. 
Melina palustris Melander. Described in the Annals Ent. Socy. Amer., Vol. 18, page 316, 
Sept., 1920, from over 100 specimens ranging over a wide territory, including Idaho, Wyoming, 
Montana, Washington, and British Columbia. The specific locality in British Columbia is Nelson, 
where the specimens were collected by Mr. Melander. This is a small fly measuring about a fifth 
of an inch in length, with hyaline wings, a blackish body, and a greyish thorax. The flies 
belonging to this family are generally found on the borders of streams and in marshy places. 
Euparyphus pretiosa Banks. Described in Can. Ent., Vol. 52, page 65, March, 1920, from 
a single female taken at Vancouver, but the name of the collector is not stated. 
ILLUSTRATED LEPIDOPTERA, 
Under this heading we hope to continue to illustrate species which have been recently 
described from British Columbia; those of rare and uncommon occurrence and those which 
have been confused with other species. Many of the species are here illustrated for the first 
time. J 
We have not illustrated in this report the six species described by the writer in Can, Ent. 
Vol. 52, page 266 et seq., Dec., 1920, as an excellent plate accompanied the above article figuring — 
each of the species described. 
The number appearing before each name corresponds with a similar number in Messrs. 
Barnes and MeDunnough’s Check-list of North American Lepidoptera, 1917. Those with an 4 
asterisk prefixed to them have been described since the above “ List”’ was issued. . 

