Cambridge Entomological Club, 1874
PSYCHE

A Journal of Entomology

founded in 1874 by the Cambridge Entomological Club
Quick search

Print ISSN 0033-2615
This is the CEC archive of Psyche through 2000. Psyche is now published by Hindawi Publishing.

Frederick Knab.
Drosophila repleta Wollaston.
Psyche 19(3):106-108, 1912.

This article at Hindawi Publishing: https://doi.org/10.1155/1912/61474
CEC's scan of this article: http://psyche.entclub.org/pdf/19/19-106.pdf, 204K
This landing page: http://psyche.entclub.org/19/19-106.html


The following unprocessed text is extracted automatically from the PDF file, and is likely to be both incomplete and full of errors. Please consult the PDF file for the complete article.

106 Psyche [June
dorsal or ventral keel; process on outer side of hind tibia bidentate, the anterior tooth about twice as long as the posterior. Hub.-Guatemala City, Guatemala, Dec. 1911 (W. M. Wheeler). Very much like Brazilian X. rotundiceps Smith, but distinguished by the narrowed vertex (that of rotundiceps is exceptionally broad) and the punctation of the abdomen.
From X. ordinaria Smith
it is readily known by the absence of a keel on under side of abdo- men.
Xylocopa wilmattse Cockerell, ined.
Guatemala City, Dec. 1911 (W. M. Wheeler). Exactly like the type.
Anthophora marginata Smith.
Guatemala City, Dec. 1911, Female (W. M. Wheeler). New to Guatemala.
Bombus unifasciatus Smith.
Guatemala City, Dec. 1911, Female (W. M. Wheeler). Eulaema mussitans (Fabr.)
Guatemala City, Dec. 1911 (W. M. Wheeler). DROSOPHILA REPLETA WOLLASTON
By FREDERICK KNAB,
U. S. National Museum, Washington, D. C. A series of this species has been recently received at the U. S. National Museum from Calabacillas, State of Chihuahua, Mexico, through Dr. S. McGibbon, In the course of determination it was found that although this species is a very widely distributed one, but little has been published concerning it. The species stands in the Aldrich catalogue as Drosophila punctulata Loew, but Becker, in the "Katalog der palaarktischen Dipteren," vol. 4, 1905, makes Loew's species and D. adspersa of Mik synonyms of D. repleta Wollaston, and there seems every reason to accept this synonymy. In justice to Mik it should be added that he himself suspected the identity of his species with Loew's, but he had no means of verifying it.




================================================================================

The species is a strildngly colored one. The mesonoturn and
scutellum are gray, mottled with small dark brown spots, these spots mostly confluent and tending to form four broad longitudinal stripes on the disk. The abdomen is marked black and yellow ÌÔdvrsall there is a broad, yellow, continuous median longitu- dinal stripe and each segment is broadly yellow at the base and narrowly so on the apical margin. Mik gives a good detailed description of the insect, but it should be kept in mind that the coloration is subject to considerable variation tuid fiat the struc- tural characters must be carefully compared. Thus in the major- ity of specimens before me the legs are yellow and the darker shadings described by Loew and Mik are not very obvious; in other specimens the legs are almost wholly dark, almost black. Yet these all belong to one species.' I am inclined to think that the insect darkens somewhat with age and that perhaps also the character of the food may have some influence, as is known to be the case in certain blood-sucking Diptera. The species appears to have a very wide distribution in the warmer parts of the globe. Wollaston's specimens came from Madeira, Loew's from Cuba and Mik's from Vienna (Austria) and Ashanti (West Africa) ; Williston records the species from the island of St. Vincent, There are many specimens in the National Museum collection, some of which stood determined by Mr. Coquillett as punatulota, while the rest turned up among the undetermined material. There is but a single specimen from the Old World, taken by C. W. Howard at Louren~ Marques, Portu- guese East Africa; it agrees in every respect with American specimens. There are specimens from the following American localities: New York (E. B. Southwick); District of Columbia; St. Louis, Mu., Oct., 1904 (A. Busck); Flat River, Mo., Oct. (T. Pergande); Nashville, Tenn., 17 Aug. 1904 (H. S. Barber); Jacksonville, Fla. (Mrs. A. T. Slosson); Key West, Fla.; Willis, Tex, ; San Diego, Tex,, 25 May, at exuding sap of Celtis ocddvn- tdis (E. A. Schwarz); Brownsville, Tea:. (C. H. T. Townsend) ; Claremont, Cal. (C. F. Baker); Cuernavaca, Mex., 7 July, 1900 (C. C. Deam) ; Amatlan de 10s Reyes, near Chrdoba, Mex., 16 Feb., 1908, about wine-bottle in tavern (P. Gab) ; Nicaragua; Port Limon, Costa Rica, 24 Sept. 1905, one specimen at crab-hole in cacao orchard (F. Knab); Alhajuela, Panama, 15 April, 1811,



================================================================================


Volume 19 table of contents