ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



VOL. XXVI. 



NOVEMBER, 1915. 



No. 9. 



CONTENTS: 



Cal vert Studies on Costa Rican Odo- 

 nata VII 385 



Keil An Aberration of Vanessa anti- 

 opa (Lep.) 395 



Do Insects Migrate Like Birds? 395 



Girault A new Trichogrammatid from 

 Trinidad (Hym. ) 396 



Hebard Dermaptera and Orthoptera 

 Found in the Vicinity of Miami, 

 Florida, in March, 1915 (Part i) 397 



Franklin Notes on Bombidae, with 

 Descriptions of New Forms ( Hym.) 409 



Girault The Occurrence of Striking 

 Peculiarities of Pattern in Unrela- 

 ted Chalcidoid Hymenoptera 417 



Watson Another Migratory Moth 

 ( Lep. ) 419 



Completion of the 'Biologia Centrali- 

 Americana ' 422 



Editorial Jean Henri Fabre 423 



Haskin Some Rare California Butter- 

 flies ( Lep. ) 424 



Thompson Cicindela unipunctata 

 Fabr. at Seaville, New Jersey ( Col. ) 425 



Entomological Literature 426 



Doings of Societies Entom. Section, 

 Acad. Nat. Sci. Phila. (Lep., Dip., 



Hym., Col.) 431 



Feldman Collecting Social (Coleop., 

 Lep., Hym.) 432 



Studies on Costa Rican Odonata. 



VII. The Waterfall-Dwellers: The Internal Organs of Thau- 

 matoneura larva and the Respiration and Rectal Tracheation of 

 Zygopterous Larvae in general. 



By PHILIP P. CALVERT, PH.D., University of Pennsylvania, 



Philadelphia, Pa. 



(Plates XV, XVI, XVII, fig. i) 



The caudal tracheal gills of the larva of Thaumatoneura 

 to give the three most conspicuous, terminal, abdominal parts 

 the name which they have received in other Zygopterous larvae 

 have been described and figured in No. VI of these Studies.* 

 They are very clearly two- jointed, a condition which has also 

 been described and figured by Needhamf for the same parts 

 of the larvae of Bayadera indica, of an unknown genus and 

 species from Jamaica, of an unknown genus of the legion 

 Podagrion from India and of a species of Pseudagrion. The 

 resemblance between his figure (1. c., pi. v, f. 4) of a lateral 



*Ent. News, xxvi, pp. 295-305, pi. xi. July, 1915. 



fEnt. News, xxii, pp. 145-154, pis. iv, v; pp. 342-347, pi- xi. 1911. 



385 













