Melasidae ef Elateridae des Sechelles el des ties voisines. 431 



Par la conformations les tarses, ce genre se rapproche de 

 Melanthoides et Simodactijlus Cancleze. 



28. Dactylosim.us dorsalis, n. sp. (PI. XXXIII, fig. i.) 

 Long., 4 a 4 millim. \. Noir varie de jaune; pubescence jaune 

 assez longiie. Tete plus ou moins jaune sur la partie anterieure; 

 ponctuation large tres superficielle, nettement ombiliquee. An- 

 tennes plus ou moins obscures, jaunatres a la base. Pronotum 

 jaixnatre aux angles anterieurs et posterieurs sur une etendue variable 

 couvrant quelquefois les bords lateraux ; ponctuc comme la tete et 

 terne comme elle. Elytres peu brillants, jaimes a la base, largement 

 bordes lateralement d'une bande de meme couleur parfois inter- 

 rompue dans la moitie posterieure; fortement ponctues-stries ; 

 interstries pointiUes. Dessous egalernent noir varie de jaune. 

 Pattes jaune pale. 



Recolte en aboudance. 



Loc. Seychelles : Silhouette, Mahe. 



" Silhouette : Mare aux Coclions or forest immediately 

 above, over 1000 feet, 2 specimens, ix. 1908. Mahe : high 

 forests of Morne Blanc and Morne Pilot, a long series, 

 including a number from the damp forest at the summit 

 of the latter mountain, over 2000 feet, xi. 1908 ; country 

 above Port Glaud, 500-1000 feet, 5. xi. 1908, 1 example; 

 forest between Trois Freres and Morne Seychellois, 1500- 

 2000 feet, xii. 1908 ; slopes of Morne Seychellois, about 

 2000 feet, ii. 1909 ; forest above Cascade, 1000-2000 feet ; 

 Mare aux Cochons district, 1500-2000 feet, i.-ii. 1909. 

 There are 58 examples in all, collected exclusively in the 

 forests at high altitudes, up to the highest and dampest 

 zones of forest : only two specimens were got in Silhouette 

 in August and September, but from October to February 

 the insect was abundant in the high forests of Mahe. 

 Dactijlosimus dorsalis, Conoderus gracilvpes, and C. dimi- 

 diaticoUis, were all obtained in large numbers in the endemic 

 mountain-forests by beating and sweeping foliage of low 

 trees and bushes." 



VII. PHYSORHININAE. 



PoRTHMiDius Germ. 



PoRTHMiDius Germar, Fauna Ins. Eur., xxiv, 1848, "p. 7 ; 

 Candeze, Mon. Flat., ii. 1859, pp. 387, 395; J. Duval, 

 Gen. Col. Eur., iii, 1859-1863, pp. 138, 144; Schwarz, 

 in Wytsman, Gen. Ins., Flat., 1903, pp. 131, 132. 



