324 Mr. G. C. Champion on various African 
b'. Elytra black or metallic, conjointly unifasciate ; 
upper surface shining. 
e. Legs black’ <.. So. tense thas 7 eo eee .. Species 7, 8. 
e*, Legs partly or wholly testaceous .......... Species 9-13. 
c’, Elytra interruptedly unifasciate; upper surface 
black, dull, elytra metallic, body black ...... Species 14. 
d', Klytia conjointly or interruptedly bifasciate, the 
fasciz more or less connected along the suture, 
the rest of their surface metallic. 
J’. Upper surface dull or opaque, black ; elytra 
coarsely, punctured. ,..0% sas masks qteue hy oo Species 15, 16. 
g’. Upper surface shining; elytra (except in 
L. raffrayi) more finely punctured. 
a*, Prothorax black, the red anterior margin 
expoped?.b vain Ps ORG eee ees Species 17. 
6°. Prothorax red or testaceous, the disc some- 
HUES IO LMCNG pe) nn dost as BSaiyags ROG .+.. Species 18-23. 
e, Elytra albo- or testaceo-maculate. 
h*, Upper surface shining; legs slender ...... Species 24, 25. 
zt. Upper surface dull or opaque; legs stouter, 
tarsi short [Inrypra, Pase.]............ Species 26-29. 
b. Head of ¢ bidentate and transversely carinate ; 
upper surface opaque, metallic; legs rather short 
BHEIBUOUGT ce ae nee ant eian e cen ee re Se atic Species 30. 
1. Laius velutinus. 
. Collops velutinus, Gerst. in VY. d. Decken’s Reisen, iii. 2, p. 311 
} ’ ’ P 
(1878). 
Hapalochrus (Collops) velutinus, Fairm. Ann. Soc. Ent. Fr. 1887, 
p. 159. 
Laius velutinus, Champ. Ann, & Mag. Nat. Hist. (9) vi. p. 179 
(1920). 
6. Antennal joint 1 long, stout, compressed, curved, 
hollowed near the apex within ; 2 extremely broad, trans- 
verse, concave, ear-shaped, narrowly cleft on the inner margin, 
latter appearing toothed at the base (Pl. VIII. fig. 1) ; 3-10 
short and rather stout. Anterior femora thickened, sulcate 
at the apex beneath; anterior tibize swollen near the base 
and narrowed thence to the tip, the base itself excised 
and sulcate within. 
9. Antennal joints 1 and 2 moderately thickened, 1 much 
longer than 2. 
Hab. KK. Arrica, Zanzibar Coast (type of Gerstaecker : 2 ), 
Lourengo Marques (J. G. Baldwin, in Mus. Brit.: ¢ 2). 
A long series, including nine males, are provisionally 
referred to L. velutinus, which is based upon the @ only. 
A bluish-green or violaceous insect nearly related to 
L. tibialis, Gahan, and L. flavicornis, F., differing from 
both of them im the form of the basal joints of the ¢ antenna, 
and also in‘wanting the oblong testaceous callosity at the 
