3- )t^^ 



137. 



ODYNERUS PARIETINUS. 



Order Hymenoptera. Fam. Vespidse LaL, Leach. 

 Type of tke Genus Vespa parietinus Linn. 

 Odynerus Lat., Leach. — Vespa Linn., Fab., Panz. 



Antennce inserted in the centre of the face^ approximating, 

 slightly geniculated, subclavate, 13-jointed in the male, the 2 

 last joints forming a small claw j 12-jointed in the female, 1st 

 joint long, 2nd small, 3rd not so long as the first, the remainder 

 short, terminal joint ovate (fig. 1, antenna of female). 

 Labrum dilated at the base, where it is concealed by the clypeus, 

 narrow and elongated towards the apex which is ciliated (2). 

 Mandibles when at rest forming a beak, elongated, acute, slightly 

 bent, having 5 blunt teeth on the internal margin (3). 

 MaxUlcE corneous below the palpi, coriaceous above, membranous 

 at the margins, terminal lobe elongated hairy, somewhat articu- 

 lated near the apex, internal lobe small hairy. Palpi longer than 

 the maxillae, 6-jointed, the 2 first the most robust, the 3 first of 

 equal length rather longer than the others, terminal joint ovate (4). 

 Mentum corneous, elongate, emarginate, (5 a) : Palpi shorter 

 than the lip, slender, 4-jointed, 2 first long clavate, 3rd short, 

 4th small ovate (b) : Lip coriaceous, striated transversely, elon- 

 gated, dilated, and bilobed at the apex, each lobe terminated by 

 a gland (c) : Paraglossce shorter than the lip, glandular at the 

 apex (d). 

 Head orbicular. Clypeus convex, cordiform, emarginate at the apex. 

 Eyes deeply emarginate. Ocelli 3, in triangle. Thorax ovate qua- 

 drate. Scutellum rounded. Abdomen ovoid-conic, peduncle very 

 short, basal joint somewhat contracted, bell-shaped, 2nd large. 

 Wings ; superior folded when at rest, with 1 marginal and 3 perfect 

 submarginal cells. Tibiae spurred. Tarsi 5-jointed, basal joint long, 

 4th very short, cleft. Claws bijid. PuWilW distinct {8, afore leg). 

 Females and Neuters armed with stings. Larvae omnivorous. 



Parietinus Linn. Faun. Suec. p. 418, n. 1C79. 



Female. Black, punctured, pubescent. Antennae, basal joint be- 

 neath yellow, the remainder orange ; a spot at the base of each 

 mandible, 2 small spots at the apex, and 2 lunular at the base 

 of the clypeus, one between the antennae and a very minute one 

 behind each eye, yellow. Thorax with a bilobed yellow spot on 

 the anterior margin, a small one beneath each wing and 2 larger 

 upon the scutellum of the same colour. Wings slightly fuscous, 

 stigma ferruginous. Abdomen shining, sparingly punctured, basal 

 joint yellow at the posterior margin, leaving a triangular black 

 space in the centre, 4 following joints with a broad yellow mar- 

 gin, terminal joint with a large yellow spot in the middle. Thighs 

 yellow at the apex. Tibiae yellow, ferruginous at the apex, an- 

 terior with a black stripe on the outside, the others on the inside, 

 next the apex. Tarsi ferruginous, inclining to fuscous. 

 In the Author's and other Cabinets. 



