Abstract

The occurrence in Arizona of a representative of a very anomalous wingless genus of Phoridæ, of which but a single specimen was heretofore known, and that found beneath a stone in such a widely-separated locality as Denmark, is a problem in geographical distribution very difficult of solution. During the entomological excursion of Messrs. E. A. Schwarz and H.S. Barber to portions of New Mexico and Arizona in the summer of 1901, while collecting at the base of a hill of Flagstaff, Arizona, Mr. Barber obtained in his sweeping net a single speciment of the cockrach-like genus Aenigmatias. This specimen agrees closely with Dr. Meinert's original description and figures of his Aenigmatias blattoides*, except that it has only six instead of seven body-segments, not counting the genitalia.

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