neiv Coccidge yVowi Mticico. 433 



The insects are considerably parasitized bj a Leucopis or 

 allied fly. 



Ilah. Morelos, Mexico, on Malva, May 29, 18f»7 {Koehele, 

 1624). Div. Ent. 7884. Also collected by Koebele at 

 Cuautla, Mexico, July 1 and 2, 1897, on Hibiscus and cotton. 



Lecanium Townsendi, sp, n. 



$ . — Scale 5| millim. long, 4^ broad, 3§ high ; hemi- 

 spherical, shiny ; ground-colour chrome-yellow, very thickly 

 bestrewn with minute black dots ; larger black pits at in- 

 tervals ; round the margin and in the anal region the surface 

 is entirely black ; margin much pitted ; a fine, not quite con- 

 tinuous, blackish, mid-dort-al longitudinal streak; posterior 

 cleft quite long. 



Boiled in KHO turns the liquid madder-brown. Dermis 

 chitinous, clear yellow by transmitted light, with very nume- 

 rous small oval glands. The females studied are full of 

 eggs. Mouth-parts extremely small. Legs and antennae 

 mere colourless rudiments, not well observed. Stigmatal 

 spines very small. 



Embryonic larva ordinary, yellow to reddish brown, with 

 minute hairs; claw long, four long filiform digitules. 



The scales are badly attacked by a lepidopterous larva. 

 Small mites occur on or in the scales. 



Bah. Frontera, Tabasco, Mexico, June 26, J 897, on orange- 

 trees [Townsend). Div. Ent. 7806. 



Allied to L. imnctatum^ Ckll., but considerably larger. 



Aspidiotus [Chrysomphahis) cdbopictuSy sp. n. 



$ . — Scale circular, flat, diam. 2-2^ millira., very dark 

 brown, nearly black, but appearing white unless rubbed, 

 because covered with a chalky-white secretion, leaving the 

 exuviae as a large round dark brown spot away from the 

 centre. Younger scales are brown, with the exuviae darker, 

 even black, the first skin marked by a pale ring, the second 

 narrowly margined with ochraceous. Still younger examples 

 are orange-fulvous, with a semitransparent whitish margin. 

 Male scales suboval to pyriform, coloured like the submature 

 female scale, viz. dark brown, with the larval skin black or 

 blackish, or else white like the mature female. 



$ . — Of ordinary form, but the caudal end narrow and quite 

 pointed ; colour pale yellowish after boiling. Four groups of 

 circumgenital glands, caudo-laterals 6 to 7, cephalo-laterals 

 8 to 9. Tubular processes at bases of lobes as in the sub- 

 genus, long ; four pairs of the longer ones, the inner four with 



