MTDAS. 317 



frous and vertex sunken, ocelli indistincfc or reraoved far from 

 vertex ; proboscis only slightly prominent,* labella terminal, tri- 

 angular, compressed; palpi one-joiuted; antennre porrect, at 

 base approximate, clubbed or knobbed at tip, three-jointed, the 

 first two moderately short, the 3rd elongate, with annular im- 

 pressions. Thorax subquadrate, with sparse, sometimes thicker 

 ])ubescence on dorsum and coarse pubescence towards the sides ; 

 ])leura9 with more pubescence in some species tlian others ; 

 humeri prominent: scutellum oblong, small, unspined, meta- 

 notum very large. Abdomen elongate, 7-segmented, with light 

 ])ubescence only, the last segment in the $ without a circlet of 

 spines ; genitalia of moderate size in S • Legs strong and stout ; 

 hind femora slightly thickened, generally serrate or spinose on 

 underside ; hind tibiae generally with a spur. Wings : auxiiiaiy, 

 1st, 2nd, and 3rd longitudinal veins as in the family diagnosis, 

 both branches of the latter vein ending in the 1st ; the 4th vein's 

 upper branch ends in the costa distinctly before the wing-tip, its 

 lower branch bends dowjiward and joins the upper branch of 

 the 5tli vein. As for the small vein foi'miug the outer side of 

 the discal cell, it may be regarded as a lower prong of the upper 

 branch of the 4th vein or as a discal cross-vein. Remaining 

 veins in accordance with the family diagnosis. 



Range. vS. Europe, "N". Africa, India, Malay Archipelago, North 

 and South America, and Cuba. 



Life-hisiorg practically unknown. 



Talle of S2'>ec(es. 



Third auteimal joint bright red rufcornis. Wied. 



Third antennal joint black. 



Abdomen wlioUv black cannic/iaeli, Brun. 



Abdomen with pale hind niargius to segments . a7inulata, Bnin. 



250. Mydas ruficoriiis, WUd. 



Mydas ritficornis, Wiedemann, Analec. Entom. p. 20 (1824) ; id., 

 Aiiss. Zweifl. i, p. 242 (1828; ; id., Monog. Gen. 3Iidas, p. 40, 

 pi. hi, tig. 11. 



" Head black ; 1st and 2nd antennal joints black, 3rd fiery red- 

 3'ellow ; epistome on both sides [presumably above and below] 

 with yellowish hairs ; a white hair spot on the side of the 

 antennae ; occiput whitish. Thorax brownish honey-yellow, be- 

 coming blackisli behind. Abdoaien almost metallic black, rather 

 sparsely punctured. Wings brown, with violet-blue reflections ; 

 baltei-es brown. Legs black ; hind tibite and base of tarsi dark 

 red-brown ; hind femora below with three or four rather long 

 spines." ( Wicdema)! n .) 



Length, 18 mm. 



Tranquebar. 



Tgpe in the Vienna Museum. 



* Scbinei- adds " with four bristles." 



