Peruvian expeditions, 1911-1915.
Public'itions no. 29.

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RESULTS OF THE YALE-PERUVIAN EXPEDITION
OF 1911.— ADDENDUM TO THE HYME-
NOPTERA ICHNEUMONOIDEA

BY
P. R. MYERS
% , (
Aid, Division of Insects, United States National Museum

No. 2052.— From the Proceedings of the United States National Museum,
Vol. 47, pages 361-362
Published October 24, 1914

Washington*
Government Printing Office
1914

•RESULTS OF THE YALE -PERUVIAN EXPEDITION OF 1911.
ADDENDUM TO THE HYMENOPTERA ICHNEUMONOIDEA.

By P. R. Myers,
Aid, Division of Insects, United States National Museum.

The two specimens represented in the description of this species
came from some additional material submitted, for study after the
report1 by Mr. H. L. Viereck was written.
TRACHYSPHYRUS VENUSTCS, new species.
Type-locality. — Coropuna, Peru, 14,500 feet.
Type-specimen. — Cat. No. 18186, U.S.N.M.
Male. — Length, 12 mm. Head shining and very finely shagreened ;
sides of face below broadly white, the white narrowly extending
upward along inner orbits to a point slightly above the base of the
frontal pit; clypeus, mandibles, malar space black with indistinct
metallic purplish reflections and very sparsely punctured; cheeks
highly polished and white with few widely -separated punctures and
hairs; front black with metallic purplish reflections; vertex black
with metallic reflections and two small white spots; area between
ocelli sparsely punctured; eyes black; palpi black; scape black, with
indistinct purplish reflections and sparsely punctured, about three-
fourths as long as the first joint of flagel; flagel reddish to fuscous at
apex, first joint distinctly longer than second, second sama length as
third; pronotum purplish and somewhat indistinctly, coarsely
striated; mesonotum purplish, shining, sparsely punctured except a
medial area running back from anterior margin, which is closely punc
tured and bronzy purplish colored; parapsidal grooves and suture on
apical margin bronzy purplish colored; mesopleurae purplish with
bronzy purplish reflections and coarsely rugose; a small smooth,
shining area with a few punctures at base of pleurae just above the
sternauli; scutellar fovea bronzy purplish colored; scutel purple,
smooth and shining with a few punctures; metanotum coarsely
rugose, purplish with bronzy purplish reflections; propodeum coarsely
rugose, bronzy purplish with greenish bronze reflections; all coxae
purplish with bronzy purplish reflections; anterior and middle
femora, tibiae, and trochanters bluish with purplish reflections.
« Proo. U. S. Nat. Mus., vol. 44, p. 469.
Proceedings U. S. National Museum, Vol. 47— No. 2052. 361

362 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.47.
Tarsi reddish; claws fuscous; hind femora dark reddish with bronzy
purplish reflections, darker inside than outside especially toward the
apex and base where it is nearly black; tibiae and spurs reddish; tarsi
and claws black except fourth joint which is whitish; first abdominal
segment and base of second purplish, remainder of second and all of
third violaceous; remainder of abdomen white; claspers black; wings
dark fuscous with violaceous reflections; petiole smooth and polished,
remainder of abdomen finely shagreened.
Paratype with purplish and bluish reflections; apex of third joint of
hind tarsi as well as fourth segment white; hind femora uniformly
reddish, two small white spots on vertex are replaced by a white band.

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