﻿Sept. 1895.] Packard. Scent Glands of Insects. 125 



Parorgyia leucophsea {Riley). Liparis detrita {Kloncnsiewicz). 

 Parorgyia paralella {Packard). \^\par'\s a.\\r\i\\xa.{Kle>iie7isiezoicz, 

 Dasychira pudibunda {Foul- Packard.) 



ion, Packard). Liparis rubea {Klemensieioicz). 



All Liparidte except Deinas {Poultoji). 



In the following Indian species they have been observed by Mr. 

 Poulton : 



Lymantria concolor. Artaxa scintiilaris. 



Choerotricha plana. Artaxa guttata. 



Charmidas exclamationis. Dasychira dalbergiae. 



Artaxa vitellina. 



//. A single median abdominal dorsal gland emitting a fluid attrac- 

 tive to ants, on seventh segment; with a pair of minute index glands on 

 the eighth segment. 



Family Lyc.^nid.^. 



Lycsena damon {Pezold). Lyc^na icarus {Edwards). 



Lyc£ena beetica {Guenee). Lyca^na scudderi {Saunders). 



Lycasna pseudargiolus {Edwards). 



i. Protrusile organs near the anus. 

 Myrmeleon larva {Hagen ? Dimmock). 



B. Nymph of ametabolous Insects. 



a. Paired dorsal glands on abdominal segments I, 2 and j. 

 Cimex lectularius {Ki'mckel). 



b. The same on abdominal segment 5. 

 Lachnus strobi {Gissler). 



C. Pupa of certain Bombyces. 



At anterior end of certain puptu, internal glands to moisten 

 threads of the cocoon for exit of moth. 



D. Adult Insects. 



a. Occiirritig on the prothorax only; strongly repugnatorial, best 

 developed in $ . 



Anisomorpha buprestoides Phasma putidum {Bates). 



{Peak, Say, Boll, Scudder). Phyllium, sp. {Scudder). 



Autolyca paliidicornis {Stal, Heteropteryx, sp. {Scudder). 

 Scudder). 



