64 



CeRATOB^EUS MIRAB1LIS, Sp. nOV. 



9 . Black ; abdomen dark-brown ; sides of abdomen, legs 

 (except the coxae), and antennae lemon-yellow; femora suffused 

 with black. Structure as in varicornis, Dodd, but the horn 

 on the abdomen projects over the thorax as far as the head ; 

 it fits into a groove on the thorax, but can readily be separated 

 from the thorax; the horn is finely rugulcse. Antennae 

 7-jointed; pedicel not twice as long as wide; funicle- joints 

 all small, first a little longer than wide ; 2-4 short, transverse ; 

 club scarcely longer than wide. Fore wings as in varicornis, 

 but the venation is fuscous and the basal vein is distinct. 

 Length, 1'50 mm. 



Hab. — North Queensland: Pentland. Described from 

 one specimen caught by sweeping in forest, January 4, 1913 

 (A. A. Girault). 



Type. — I. 1961, South Australian Museum. A female, 

 tagmounted, plus a slide bearing head, antennae, and fore- 

 wings. 



Ceratob^eus grandis, Dodd, 1913. 



9 . Differing from flavicorpus, Dodd, in its much larger 

 size, and the antennae are different, the first funicle-joint be- 

 ing as long as the pedicel, and fully four times as long as 

 wide. Length, 2*10 mm. 



Hab. — North Queensland: Nelson. 



Type. — I. 1962, South Australian Museum. A female on 

 a tag, plus a slide bearing head, antennae, and forewings. 



CeratobjEus aureus, Dodd, 1913. 



9 . Differing from parvicornutus , Dodd, mainly in the 

 shorter pedicel and first funicle-joint. Length, 1 mm. 



Hab. — North Queensland : Nelson. 



Type. — I. 1963, South Australian Museum. A female on 

 a slide. 



Ceratob^us elongatus, Dodd, 1913. 



9 . Head and thorax black ; abdomen bright yellowish- 

 brown; horn on abdomen black, but brown at base; legs and 

 antennae golden-yellow. Abdomen very long and slender; 

 horn on basal segment very long. Length, 1*75 mm. 



Hab. — North Queensland : Nelson. 



Type. — I. 1964, South Australian Museum. A female on 

 a tag, plus a slide bearing head, antennae, and forewings. 



CeratoBuEUS maculatus, Dodd, 1913. 

 9 • Yellow, with a spot on each side of abdomen at the 

 centre, and apex of abdomen black. Horn on abdomen reach- 

 ing to apex of scutellum. Antennae and forewings as in 

 parvicornutus, Dodd. Length, 1*40 mm. 



