LIACOS. 101 



Genus LIACOS*. 



Liacos, Guer. Vo;/. Coq., Zool. ii, pt. 2, p. 24fi (1830). 

 Scolia, pt., Smith, Cat. iii, p. 85 (1855). 



Liacos (subg-en. Triliacos and Deliacos), Sauss. ^- Sieh. Cat. Scol. 

 p. 33 (1864). 



Fig. 20. — Fore wing, Liacos {Triliacos) analis. 



Type, L. analis., Fabr. 



Range. Ethiopian, Oriental, andAnstralian regions. 



Characters those of the family. Fore wing with one radial, and 

 three {I'l-iliacos) or two {Diliacos) cubital cells, and two recurrent 

 nervures which unite and reach the 2nd cubital cell as one nervure. 

 Sexes, so far as known in the Indian species, ahke in coloration. 



Key to the Species. 



a. With reddish ferruginous pubescence on the 



abdomen L. analis, p. 101. 



b. With fulvous pubescence on the abdomen . . L.fulvopicta, p. 102. 



212. Liacos analis. 



Scolia analis, Fabr. Syst. Piez. p. 245. 



Scolia dimidiata, Gne?: J'ot/. Cog., Zool. ii, pt. 2, p. 247, S • 



Campsomeris urvillii, Lepel. Hym. iii, p. 50.3, S . 



ScoHa eYythvosoma,, L'i(n7i. Abh. JSat. Ges. Halle, i, pt. 4, p. 15; 



Smith, Cat. iii, p. 113. 

 Scoha penangensis, Saiiss. Mel. Hym. p. 39. 



Liacos analis et ervthi-osoma, Sauss. Sc Sich. Cat. Scol. p. 33, 5 c^, 

 &p.35, $cJ. 

 5 . Head and the disc of the mesonotum smooth and shining, 

 with a few scattered punctures ; pronotum, base and apex of meso- 

 notum, the median segment, and abdomen closely punctured ; 

 clypeus broad, slightly convex ; an abbreviated vertically impressed 

 line above the base of the antennae at right angles to a transverse 

 furrow beneath the anterior ocellus ; the mesonotum with two 

 short parallel longitudinal, and the scutellum with a median longi- 

 tudinal furrow ; median segment rather steeply sloped posteriorly, 

 the apex truncate. Blaclc, with black pubescence, the apical 

 segment red with ferruginous pubescence ; wings dark fuscous 

 with purple, coppery, or golden effulgence, nervures and tegular 

 black. 



(^ similar but smaller, slighter, with longer and porrect 



antennae ; the head, thorax, and abdomen more closely punctured. 



The colour of the abdomen in this species varies greatly — it may be 



* The name Liacos is an anagram of Scolia, 



