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STUDIES IN AUSTRALIAN ENTOMOLOGY. 



No. VI.— DESCRIPTION OF A NEW TIGER BEETLE FROM 

 QUEENSLAND. 



By Thomas G. Sloane. 



Megacephala frenchi, n.sp. 



Robust, oval, cylindricaL Metallic green, with a bluish tinge 

 in some lights ; antennae, labrum, mentum, prosternum, meso- 

 sternum, metasternum, ventral segments (excepting lateral parts 

 of three basal ones), legs and inflexed part of elytra black ; palpi 

 yellowish-brown. Head large, convex, smooth ; eyes prominent, 

 convex. Prothorax hardly broader than long (5 x 5 J mm.), 

 convex, smooth ; disc a little depressed in front ; anterior margin 

 sinuate ; base sinuate — the middle roundly produced backwards — 

 bordered on each side near basal angles, these rounded off; 

 median line strongly impressed between anterior and posterior 

 transverse line; anterior transverse line sinuate, not extending 

 to margins, strongly impressed on each side, weaker and sub- 

 circularly more remote from anterior margin in middle ; posterior 

 transverse line strongly impressed, almost straight, a little bent 

 forward in middle, not extending to margins, ending in a shallow 

 foveiform impression on each side. Elytra oval (ll^x6Jmm.), 

 roundly convex, widest rather behind middle ; base truncate ; 

 shoulders rounded ; apex widely and evenly rounded ; basal part 

 of elytra for a little less than half the length strongly punctate ; 

 the apical part smooth ; the punctures of basal part forming eight 

 rows on each elytron, these (excepting the sutural and marginal 

 rows) rather irregular ; two strong punctures a little behind the 

 others along the line of the second row, three others, much smaller 



./ 



