hymenoptera. 41 



110. Thynnus (Catocheilus) DIVERSUS. 



Catocheilus Klugii, Guer. Mag. Zool. (1842); Mon. Thynn. 



8,9d?. 

 Hab. Australia (Swan River). 



111. Thynnus (Eirone) dispar. 



Eirone dispar, Westw. Arc. Ent. ii. 144. 82. f. 6 <? , f. 6 ? . 

 Hab. Australia (Adelaide). 



112. Thynnus (Eirone) tuberculatus. 



Male. Length 3|^ lines. — Black : the head and thorax strongly 

 and closely punctured, thinly covered with short white downy 

 pubescence ; the clypeus with a lanceolate white mark in the 

 centre, which has a minute tubercle on each side about the 

 middle ; the mandibles ferruginous, with a white line at their 

 base. The prothorax with a slightly interrupted white line on 

 the anterior margin, and a widely interrupted one posteriorly ; 

 the wings splendidly iridescent and hyaline, the nervures testa- 

 ceous ; the tibise and tarsi rufo-testaceous. Abdomen lanceolate, 

 the apical segment rugose, pointed at the apex. 



Female. Length 2^ lines. — Pale ferruginous : the legs pale 

 rufo-testaceous ; the head oblong-quadrate ; the thorax of the 

 same form as in T. vitripennis ; the metathorax delicately acicu- 

 late and with a few elongate punctures. Abdomen elongate, 

 each segment with a curved dark ferruginous hue on each 

 side ; thinly covered with strong elongate punctm'es ; the apex 

 acute. 



Hab. S. Australia (Lower Plenty). (Coll. R. Bakewell, Esq.) 



113. Thynnus (Eirone) vitripennis. 



Male. Length 3x lines. — Black, shining: the head and thorax 

 with shallow punctures ; slightly pubescent at the sides of the 

 head, on the thorax beneath and on the sides, and on the pos- 

 terior portion of the metathorax ; the legs have also a slight 

 griseous pubescence. The clypeus with a sharp carina in the 

 middle and a triangular white spot in front; a narrow white 

 line runs from the clypeus to the margin of the eyes ; a hue at 

 the base of the mandibles, and two small oblique ones between 

 the antennfe, white ; the mandibles obsciarely ferruginous. Tho- 

 rax : a narrow white line on the anterior margin of the pro- 

 thorax ; wings hyaline, faintly tinted with yellow, and splendidly 

 iridescent; the legs rufo-testaceous, with the tarsi palest. Ab- 



