520 Professor R. Newstead on Homoptera 
of a new genus, though the hemipterous fauna of St. 
Helena has not hitherto been shown to have much affinity 
with that of tropical Africa. 
See also pp. 459-67. 
VI. Homoptera (Psyllidae and Coccidae) collected in the 
Lagos District by W. A. Lamborn. By Prof. R. 
NewstTeEap, F.R.S. 
PLATE XXIX., 
PSYLLIDAE. 
Rhinopsylla lamborni, sp. nov. 
Length 3:9-4:-2 mm.; greatest width of thorax, 1:4—-1:50 mm. ; 
width at vertex of head, ‘58-75 mm.; length of fore-wing 4°5- 
5 mm. 
Head slightly birostrate in front; face lobes wanting; eyes 
hemispherical, prominent; wings with the upper and lower branches 
of the cubitus very long, stigma wanting; hind tibiae in 9 (fig. 1d) 
and middle tibiae in ¢ (fig. le) very strongly pectinated distally ; 
meso-sternites with a lateral and distal horn-like tubercle. General 
colour ochraceous buff; thorax striped. 
Frema.e.—Head, inclusive of the eyes, as broad as the thorax; 
posterior margin of vertex arcuate; front with a sharply defined 
median suture on either side of which is a deep punctate depression. 
Antennae long and slender, of ten segments, the third incrassate 
and strongly punctate when seen in optical section in cleared 
specimens. 'horax slightly arched and finely punctate; pronotum 
clearly defined and normally not depressed below the head. Abdomen 
markedly attenuated distally; pygidium (fig. la) with the circum- 
genital glands (fig. 1b) arranged in curiously contorted double lines. 
Legs with the hind tibiae very strongly pectinated, the teeth black, 
and each with a faint lateral tooth. Wings (fig. 1c) hyaline, nearly 
twice as long as broad, costa strongly arched; there is a small 
infuscated, submarginal, spinose area between the radius and the 
upper fork of the upper cubitus, and a similar marginal infuscation 
between the four succeeding veins; branches of the upper and lower 
cubitus very long. Colour ochraceous-buff or ochraceous; pro- 
notum with a well-defined and relatively broad dark-brown margin ; 
