ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



Vol. XII. JANUARY, 1901. No. i. 



CONTENTS: 



Williamson. — On the Manner of Ovi- Rehn. — A New Genus of Deticinae 16 



position and on the Nymph of 



Tachoptery X Thoreyi 



Lovell. — Bees of Maine and Indiana . 



Coquillett.— New Species of Diptera.. 16 



Bruce- — New Variety of Lepisesia 19 



Editorial 20 



Slosson. — On a Florida Beach 10 Entomological Literature 21 



Rowley. — Notes on Missouri Springs. 12 Notes and News 25 



Coquillett. — A New Genusof Ortalidae 15 i Doings of Societies 27 



On the Manner of Oviposition and on the Nymph 

 of Tachopteryx Thoreyi. 



(ORDER ODONATA.) 

 Plate L 



By E. B. Williamson, Vanderbilt University, Nashville, Tenn. 



Tachopteryx Thoreyi Hagen is the only representative in 

 eastern North America of the legion Petalura (Selys) of the 

 subfamily Gomphinae. This legion has been regardied b}' late 

 writers as the most primitive of all the Odonata Anisoptera. 

 No nymphs of this legion have hitherto been described, so it 

 is believed that the following description will be particularly 

 welcome. 



The nymph in question was collected by Mr. D. A. Atkinson, 

 near Pittsburg, Pennsylvania, on June 4, 1900. Mr. Atkinson 

 was collecting salamanders in a bogg>^ spot along Squaw Run, 

 a tributary- of the Allegheny River in Alleghany County, when 

 he saw^ the nymph clinging to the trunk of a tree, about two 

 feet above the mud from which it had recently crawled, as the 

 mud which covered it was not yet dry. This was about 10 a.m. 

 Placed in a box the nymph climbed up one side to a height of 



