ENTOMOLOGICAL NEWS 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



Vol. XXV. 



OCTOBER, 1914. 



No. 8. 



CONTENTS: 



Calvert— studies on Costa Rican Odo- 

 nata— V 337 



Swainson and Skinner — The Larva of 

 Papilio homerus (Lepid., Rhop. )•• 348 



Townsend, Essig — Changes of Address 349 



Dodd— A new Proctotrypoid Egg-para- 

 site from the West Indies (Hym.) 350 



Alexander — The Neotropical Tipulidae 

 in the Hungarian National Mu- 

 seum (Dipt. )— IV 351 



Franzen — Minnesota Butterflies (Lep. ) 363 



International Commission on Zoologi- 

 cal Nomenclature 371 



Editorial — Aids to Scientific Work.... 372 

 Robertson— A new Melissodes (Hym.) 373 



Entomological Literature 373 



Review of Oberthur's Etudes de L6pi- 



dopterologie Compar^e 379 



Doings of Societies — Pacific Coast En- 

 tomological Society (Lep., Col., 



Hym., Dip.) 380 



Obituary — Carl Fuchs 384 



Studies on Costa Rican Odonata. 



V. The Waterfall-Dwellers: Thaumatoneura images and possible 

 male dimorphism. 



By Philip P. Calvert, Ph.D., University of Pennsylvania, 

 Philadelphia, Pa. 



(Plate XIV.) 



History. 

 In June, 1897, the late Robert McLachlan, of London, de- 

 scribed a new and remarkable dragonfly under the name 

 Thaumatoneura inopinata. He introduced his description 

 with these words : "At the recent sale of the collections form- 

 ed by the late Mr. Reginald Cholmondeley, of Condover Hall, 

 Shrewsbury, I obtained the few Odonata, solely on account 

 of a large Calopterygine, which was evidently something un- 

 known, but the remarkable nature of which I did not fully 

 realize until after it came into my possession. The former 

 owner of the collection valued insects and other natural pro- 

 ductions, solely for their beauty or forms, and cared little for 

 names, and nothing for localities, so I am unable to say whence 

 this specimen came; but as the pin (or rather skewer!) was 

 similar to those used for some other insects in the same col- 

 lection which were Chinese or Japanese in origin, I hazard a 

 conjecture that it may belong to the same region." In August, 



337 



