164 Robert Newstead: 
Lecanium hesperidium (Linn.). 
Habitat: D. Ost-Afrika, Dar es Salaam, April 1902. Auf Terminalia catapa. 
Prof. A. Zimmermann S. (Nr. 7). 
Several females, all parasitized, and otherwise slightly damaged, present all 
the characteristics of this species. 
D. Ost-Afrika, Amani. Fr. Hoffmannplantage, VI. 02. Auf Coffea liberica, 
Prof. A. Zimmermann N. (Nr. 20). 
The females, of which there were several in various phases of development, all 
show very distinet marginal ridges especially so along the posterior border. These 
are somewhat abnormal, but the structural details are characteristic of L. hesperidum. 
A very large percentage are parasitized by Chalcidids, which in many cases had not 
emerged from the host though in most cases they were more or less perfect and 
ready, apparently, to escape. 
Fig. 7a b. Phenacoceus insolitus. 
Lecanium? sp. 
Five examples, all females, are destroyed by a fungus; the body of the inseet 
being completely replaced by hyphae. 
Habitat: D. Ost-Afrika, Ngamba, 7./8. 1902. Auf Albizzia lebbek. Prof. 
A. Zimmermann 9. (Nr. 13). 
Yap, Karolinen auf Cocos. Sander S. @. Material very poor condition. 
Phenacoccus insolitus Green. 
Habitat: Britisch Ost-Afrika, Kibwezi, 30. III. 07. Auf Taberna montana. 
G. Scheffler 8. V. J.-Nr. 1459/07. 
The distinetive feature of this insect are the eurious spinose tubereles (fig. 7 a), 
a character which at once distinguishes it from any other known species of the genus. 
Dactylopius (Pseudococcus) obtusus n. sp. (Newstead). 
Female adult. Length 4, width 2,75 mm. 
Segmentation strongly pronounced. Antennae (fig. 8) of 9 segments; proximal 
end of last segment narrower than distal end of the penultimate; all the segments 
with very long fine hairs; 7th and 8th each with a strong curved spine near the 
