J. Bequaert.
Nemestrinidae (diptera) of Iowa and Missouri.
Psyche 60:14, 1953.

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14 Psyche [March
SAUPE, R.
1929. Zur Kenntnis der Lebensweise der Riesenschabe Blabera fusca Brunner und der Gewachshausschabe Pycnoscelus surinamensis L. Zeitschr. f. angew. Ent., 14:461-500. STEWART, A. M.
1925. Blabera cubensis (Orthoptera) and its ootheca. Entomologist, 58: 57-58.
VAN WYK, L. E.
1952. The morphology and histology of the genital organs of Leuco- phaea maderae (Fabr.) (Blattidae, Orthoptera). J. Ent. Soc. S. Africa, 15:l-62.
ZABINSKI, J.
1933. Fonatiionnement des differentes parties des appareils cooula- teurs chitines males et femelles de la Blabte (Pewaneta orientalis L.) . C. R. Soc. Biol., 112:598-602. NEMESTRINIDAE (DIPTERA) OF IOWA AND MISSOURI. - A small collection recently sent by Mr. Jean L. Laffoon, at Iowa State College, contains a male of Neorhynchocephalw sackenii (Williston) collected at Sioux City, Woodbury Co., Iowa, June 10, 1949, by J. A. Slater and J. L. Laffoon. It was taken immediately above the mouth of the Sioux River, on top of the loess hills which border the Missouri River in western Iowa. Mr. Laffoon points out to me that this area contains some plants and an'imals ordinarily found only farther west. It is the first record for any of the Nemestrinidae in Iowa. Specimens of N. sackenii were also collected at Washington University Farm, 7 miles southwest of Clarksville, Pike Co., Missouri, by Mr. Robert A. Dietz, of the University of Tennessee. N. sackenii is now recorded from British Columbia and the states of Washington, Oregon, Montana, California, Idaho, Wyom- ing, Utah, Arizona, Colorado, New Mexico, Kansas, Okla- homa, Arkansas, Missouri, Iowa, Michigan, and Illinois. I have seen specimens from Huachuca Canyon, Cochise Co., Arizona, August 17, 1950 (R. L. Langston). It is remark-
able that there are as yet no records from Mexico. - J. BEQUAERT, Museum of Comparative Zoology, Cambridge.



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