ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION, 



ACADEMY NATURAL SCIENCES, PHILADELPHIA. 



Vol. I. APRIL, 1890. No. 4, 



CONTENTS 



Hamilton— Inhabitants of a Hickory- , Wadsworth— List of Dragonflies 55 



nut Hull. .* 49 Notes and News 57 



Skinner— Notes on Lepidoptera 51 Entomological Literature 59 



Liebeck— Notes on Col eoptera 52 Queries and Answers 62 



Horn— Notes on Elateridae 53 \ Doings of Societies 63 



The Inhabitants of a Hickory Nut Hull. 



BY JOHN HAMILTON, M. D. 



While collecting Hickory-nuts last October the hulls or husks 

 of several of the species were observed to be inhabited by some 

 lepidopterous larvae, and to ascertain their parentage, some of 

 these hulls were thrown into a capped glass-jar and kept in my 

 office. 



January 8th, two S specimens of a beautiful hymenopterous 

 parasite appeared belonging, according to Mr. Cresson, to the 

 genus Pim-pla. On cutting open one of the hulls a nearly ma- 

 tured 9 nymph was found in its host's cell, of which all that 

 remained was the horny head; the long ovipositor ascended over 

 the tip of the abdomen and extended along the centre of the 

 back reaching the labrum. This example lay naked in the cell 

 formed by the larva of the moth, having made no cocoon. 



February 9th, two moths appeared, and another small, but 

 beautiful parasite, which Mr. Cresson determined to be Phanero- 

 tonia {Sigalphus) tibialis Hald. (Proc. Acad. Nat. Sci. Phila. 2d 

 s. , iv, 203) the larva of which forms a thick silky cocoon in the 



