ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OE THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



VOL. XXVII. 



FEBRUARY, 1916. 



No. 2. 



CONTENTS: 



Leonard The Immature Stages of two 

 Hemiptera Empoasca obtusa Walsh 

 (Typhlocybidae) and Lopidea robi- 

 niae Uhler (Capsidae) 49 



Oberthiir Lycaena piasus et rhaea 

 ( Lep. ) 54 



Sell Hunting Butterflies in the Ozarks 

 (Lep.) 55 



Braun Neplicula rhamnicola nom. 

 nov. ( Lepid. ) 56 



Woodworth A New Descriptive For- 

 mula 57 



Mr. E. A. Schwarz Elected Honorary 

 President 58 



Dunn Hermetia illucens Breeding in 

 a Human Cadaver (Dipt.) 59 



Cockerell The Bee-genus Halictoides 

 in North America ( Hym. ) 61 



Banks Two New Species of Cerceris 

 (Hym.i Philanthidae) 64 



Hebard A new Species of the Genus 

 Gammarotettix from California (Or- 

 thoptera, Tettigoniidae) 65 



67 

 69 



82 



Schwarz Observations on the Habits 

 of Catocala titania Dodge (Lepid.).. 



Girault Two New Mymaridae from 

 the Eastern United States ( Hym. ). . . 



Hancock Pink Katy-Dids and the In- 

 heritance of Pink Coloration (Orth.) 



Braun Notes on Lithocolletis with 

 Descriptions of new species ( Lep. ). . 



Editorial A Source of Annoyance and 

 Trouble 85 



Westcott Rarities (Hymen., Neurop. , 

 Odon.) ^ 85 



Ellis The Change of Color in the Win- 

 ter Eggs of Myzus rosarum and Mac- 

 rosiphum rosae ( Hem., Horn.) 86 



Entomological Literature 86 



Notice of Ectoparasites, part i. Vol. I.. 90 



Notice of Revista Chilena de Historia 

 Natural and Anales de Zoologia Apli- 

 cada 



Doings of Societies The Convocation 

 Week Meetings 91 



Obituary Francis Marion Webster ... 96 



90 



The Immature Stages of two Hemiptera Empoasca 



obtusa Walsh (Typhlocybidae) and Lopidea 



robiniae Uhler (Capsidae).* 



By M. D. LEONARD, Ithaca, N. Y. 



(Plates II, III) 

 Empoasca obtusa Walsh (Plate II). 



During the early spring of 1915 twigs of the common cot- 

 tonwood, Populus deltoidcs Marsh, and of the Lombardy Pop- 

 lar, Populus nigra italica Du Roi, were brought into the Cor- 

 nell Insectary for the purpose of rearing a species of Idio- 

 ccrits (B\tlwscopidac} which was known to infest them. Four 

 or five days before the nymphs of Idioccnt's began to hatch, 

 several small, greenish-yellow, first-stage nymphs were ob- 

 served running actively about on the opening buds of the 



* Contribution from the Department of Entomology of Cornell Uni- 

 versity. 



49 



