C. T. Brues.
Note on the Adult Habits of Some Hymenopterous Parasites of Orthoptera and Mantoidea.
Psyche 24(6):195-196, 1917.

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19171 Brues-Habits of Hymenopterous Egg-Parasites 195 Type: South Patagonia, B. Brown; in the American Mu- seum of Natural History.
The following key will serve to separate the species of this group :
1. Antennae annulate with white. ........................... .2 Antennae not annulate. ................... fulgidus sp. nov. 2. Legs entirely black ........................ metallicus Cam. Legs partly ferruginous or rufous. ....................... .3 3. Abdomen minutely transversely aciculate. ................ .4 Abdomen polished, without any sculpture. . chalybeus Tasch. 4. "Thorax rugulose-granulate, mesonoturn and scutellum smoother". .............................. kinbergi Holm. "Mesonotum densely, somewhat longitudinally, striate punc- tate". ................................... sericeus Tasch. NOTE ON THE ADULT HABITS OF SOME HYMEN-
OPTEROUS EGG-PARASITES OF ORTHOPTERA
AND MANTOIDEA.
Bussey Institution, Harvard University.
In a recent number of the Bulletin de la So&& Entomologique de France1Dr. fit. Rabaud has called attention to an omission in a recent paper of my own: in which I failed to cite some observations of similar nature by French naturalists. In this paper I described an Indian Scelionid which attaches itself to the body of a locust and suggested that it probably had adopted this method of finding the eggs of locusts, upon which members of allied genera are known to be parasitic.
As Dr. Rabaud has assumed a rather critical attitude, I think it worth while to review the matter briefly. In the first place I must admit that I was unfamiliar with the observations of Xambeu at the time of writing my previous note, although they were soon afterward called to my attention by Mr. Nathan Banks who cited them some years ago.3 In the same paper, Banks gives another 1 1917, No. 10, p. 178, May 1917,
2 Adult Hymenopterous Parasites Attached to the Body of their Host. Proc. Nat. Acad. Sci., Vol. 3, pp. 136-140, Feb. 1917.
* Entom. News, Vol. 22, p. 195,1911.




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reference1 that was missed by both Dr. Rabaud and myself, in which a locust (DIchromorpha &rid&) was found by W. V. Warner bearing adults of a species of Scelio.
Rabaud unfortunately refers to the Lepidoscelio which I de- scribed (foe. dt.) as a Chalcidid. It is a member of the Scelionidae, belonging to the Serphoidea {Proctotypoidea) , an entirely different group of Hymenoptera, although the work of Xambeu, Giard, and Bordage is correctly stated as relating to Chalcidids. This phenomenon of phoresy thus appears in members of both the Chalcidoidea and Serphoidea. Rabaud is also wrong in thinking that I put forth as new either the fact that adult Scelionids attach themselves to Orthoptera, or the hypothesis that they locate the eggs of the host in this way. On page 137 of my paper I have quoted both the fact and the hypothesis as previously published by Ashmead in 1893: the text is absolutely clear on this point. As the tiny species which has caused so much discussion has not before been figured I take this opportunity to add a drawing of it kindly made by Mrs. Bnies.




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