SepUniber-Octobcv iSSS.J PSYCHE. 103 



gether are about equal in length to the of such spines. 



tenth. Halteres light brown. The Osten Sacken compares, briefly, this 



ovipositor is stout, cylinch^ical and fur- pupa with A. motiacha., Trans. Am. 



nished with a long needle-like organ Ent. Soc. Vol. II, p. 301. 



which protrudes beyond the tip. The galls are formed on the stem of 



Length four mm. Emerges in Sep- Ileliai/t/inso-rosse-serraius.,homnitw 



tember and October. inches to three feet or more above the 



The pupa has two contiguous, short, ground ; they are globular, spherical or 



subconical projections at the top of the ovate, in shape, from three-eighths of an 



iiead ; the dorsal segments of the ab- inch to two inches in diameter, 



domen have on the middle of each a The pupa in extricating itself fiom 



somewhat irregular double transveise the gall may leave its case protruding 



row of short spines, and behind it a from tlie place of exit or may drop to 



single regular row of similar spines, the ground before leaving its case, 

 the last segment, at the tip, has a row 



SOME ACCOUNT OF OUR SPECIES OF GEOTRUPES. 



BY FREDERICK BLANCHARD, LOWELL, MASS. 



Several familiar species of Geotrupes common species of Geotrtipes the very 



are among the first acquisitions made interesting male peculiarities are quite 



by the beginner of a collection of cole- worth) of occasional attention, as they 



optera in the Eastern United States, form the basis of a natural classification. 



They are in fact so abundant and easily In 1865 M. Henri Jekel published 



found that the interest in them soon in the " Annales de la Societe Entom. 



ceases, and this part of one's col- de France," an arrangement of the spe- 



lection makes about the pooiest exhibit cies of this genus, adopting the plan of 



of the whole, from tlie fact that the making" subgenera of the different divi- 



clumsily pinned, poorly cared for spe. sions, paying especial attention to our 



cimens of our early inexperience alone North American species, and describ- 



appear as representatives of the species. ing several from this country as new. 



As I have recently observed, however, A little later Dr. G. H. Horn, in 1867, 



in Mr. Henry Ulke's collection, a series in the Transactions of the Amer. Ent. 



of good examples of the difierent spe- Soc. vol. i, reviewed M. Jekel's paper 



cies and their varieties is an ornament at length as far as it related to our spe- 



instead of, as is too often the case, a dis- cies, placing before American students 



grace to the collection. It is not always the true relations and limits of ihespecies 



best to neglect old friends, and in our at the same time very properly suppress- 



