86 MB. smith's descriptions of htmenopterous insects 



Tribe DIPLOPTERA. 

 Group 1. Solitary Wasps. 



Gen. EuMENES. 



1. EuMENES ESURIENS. 



Eumeues esuriens, Fahr. Syst. Piez. 286. 7- 



Eumenes gracilis, Sauss. (var.) Mon, Guepes Sol. 56. 40. 1. 11. f. 2. 

 Hab. India ; Persia ; Africa (Sierra Leone) ; Senegal ; Egypt ; New 

 Guinea (Triton Bay). 



2. Eumenes pictifrons. E. nigra; capite flavo-variegato ; alis sub- 

 hyalinis et iridescentibus. 



Female. Length 13-14 lines. Shining black ; the head transverse- 

 quadrate above, covered with fine confluent punctures ; the base of 

 the clypeus yellow, forming a transverse broad lunate spot, and two 

 indistinct spots near the apical margin, a stripe behind the eyes, and 

 another in their sinus, a pear-shaped spot between the antennae, with 

 a narrow line running upwards from it to the anterior ocellus, and a 

 minute spot at the side of each of the superior ocelli, yellow ; the 

 antennae ferruginous beneath. The prothorax strongly punc- 

 tured, the meso- and metathorax finely and sparingly so ; the tips of 

 the anterior femora beneath, the tibiae and tarsi, the intermediate 

 femora at theii- apex beneath, and the apex of the two posterior pair 

 of tibiae with a yellow stripe outside ; wings subhyahne, the anterior 

 margin of the superior pair fulvous. Abdomen : the petiole gradually 

 thickened from the base to the apex, and with a central longitudinal 

 slightly impressed line ; the following segments fiuely punctured. 



Hab. Makassar. 



This and the two following species belong to the first division of Saus- 

 sure's monograph of the genus Eumenes, div. Pareumenes, in which 

 the mandibles are short and blunt, with two or three teeth, and the 

 petiole of the abdomen regularly widened from the base to its apex. 



3. Eumenes artifex. E. niger; capite thoraceque flavo-variegatis ; 

 pedibus ferrugineis ; alis subhyalinis et iridescentibus. 



Female. Length 7-8 lines. Black, punctured, and slightly shining; 

 the clypeus, a spot between the antennae, another in the sinus of the 

 eyes, a minute one at the base of the mandibles, the scape in front, 

 and a short line behind the eyes, yellow ; a pear-shaped black spot on 

 the clypeus. A spot on each side of the prothorax, the tegulae, a 

 minute spot behind, and a short narrow stripe in front of them on the 

 mesothorax, the scutellum and postscutellum with a spot on each side, 

 and a triangular one beneath the wings, yellow ; the legs ferruginous, 

 with the coxae, trochanters, and extreme base of the femora, more or 

 less ferruginous ; wings subhyaline, with a slight violet iridescence. 

 Abdomen ; the basal segment clavate ; the apical margin of the second 



