MATERIAL AND TECHNIQUE Gnathal glands of the following beetles are described:
Tenebrio molitor L.(Tenebrionidae): larva and adult. Tribolium confwum Duval …

Paired glandular structures associated wj th the maxillae are present in many insects;
Snodgrass ('35, p. 153) reports them in Protura, Collembola, Hemiptera, Neuroptera …

1 An epithelial pad in the vestibule of the mouth of N. noctula close to the angle is described.
Its most characteristic feature is the abundance of fatty substances contained within its cells …

INTRODUCTION. Sericostoma pemonatuna Spence is a tolerably common carldisfly in
Great Britain, a. ncl immediately attracts attention on account of the enormous development …

The histology of the labial glands of some Delphacidae (Hemiptera: Homoptera) Page 1 239
The histology of the labial glands of some Delphacidae (Hemiptera : Homoptera) By A …

THE SCENT GLANDS OF CERTAIN PHYCITIDAE (LEPIDOPTERA) Page 1 THE SCENT
GLANDS OF CERTAIN PHYCIT1DA.E (LEPIDOPTERA) By Miss G. IZ. DICKINS, B.Sc., DIC [Read …

The maxillary plate of Homopteraâ•’Auchenorrhyncha Page 1 The maxillary plate of Hornoptera-
Auchenorrhyncha J . IY. EVANS Honorary Associate, Aiistralian Mzrseitwr, 47 Biindarra Road …

The maxilla of biting insects consists of six pieces. There is at the proximal end a two
segmented cardo (c), which articulates the maxilla to the head capsule (Figs. 1 and 2) …

The mouth-parts of Calandra granaria are situated at the tip of an elongated rostrum. The
mandibles are asymmetrical and possess a markedly oblique axis of rotation which …

IT is well known that many of the adult Heteroptera possess scent-glands which lie in the
ventral region of the metathorax. The apparatus has been described for Pyrrhocoris apterus …