hymenoptera. 53 



180. Thynnus (Agriomyia) amplipennis. 



Male. Length 9 lines.— Shining black : head and thorax very 

 closely punctured, the metathorax very delicately punctured and 

 shining ; the scutellum elevated into a tubercle ; wings ample 

 and of a rich golden-fulvous colour, the nervures ferruginous. 

 Abdomen : tlie'first segment much narrowed at the base, which 

 has a deep abbreviated channel ; the margins of the segment 

 slightly depressed, covered with short black pubescence, and with 

 a number of longer hairs at the tip ; the head, sides of the 

 thorax, and the anterior and intermediate tibiae with long black 

 hairs. 

 Hab. South America. (Coll. W. W. Saunders, Esq.) 



Genus 2. .ELURUS. 



Agriomyia, pt., Guer. Mag. Zool. p. 5 (1842). 

 iElurus, Klug, Berl. Abhandl. 42 (1840-42). 



Species of Australia. 



1. /Elurus abdominalis. B.M. 



Agriomyia abdominalis, Guer. Mag. Zool. p. 5 (1842). 

 iElurus abdominahs, Westw. Arc. Ent. ii. 122. pi. 77- f . 6 <? . 

 Thynnus fervidus, Erichs. Wiegm. Arch. (1842) 263. 237 c? - 

 Westw. Arc. Ent. ii. 146. 



Hab. Tasmania. 



Of this species, which has the head and thorax black and the 

 abdomen red, I have seen a fine variety with the thorax also red, 

 having only a few dusky stains behind the scutellum, in the 

 Collection of R. Bakewell, Esq. 



2. Elurus mcerens. 



Elurus mcerens, Westw. Arc. Ent. ii. 124 <? . 

 Hab. Australia (Melbourne). 



3. iELURUS SPINOLiE. 



Agriomyia Spinola;, Guer. Mag. Zool. (1842) p. 6. 

 Hab. Austraha. 



4. ^Elurus incanus. B.M. 

 Male. Length 7 lines. — Black : the head and thorax with 



strong confluent punctures, the metathorax more finely punc- 

 tured, shining, and with long cinereous pubescence, the cheeks 



