ii 
SCALE INSECTS OF THE GENUS PARLATORIA =‘ {J 
sclerotized area of dorsal surface cf pygidium, the posterior end of this cluster 
often joining the adjacent submarginal ducts; no additional intermediate or 
median dorsal ducts, either macro or micro, observed anterior to pygidium. <A 
circular to oval cicatrix near body margin dorsally on first abdominal segment, 
this sometimes obscure. Characteristically with 3 small, oval, dorsal, sub- 
marginal, sclerotized flecks independent of other pygidial sclerotization on each 
side, the last located just anterior to the fourth lobe, the other 2 on 2 segments 
preceding that bearing this lobe. Lobes strongly protruding, median iargest, 
notched once internally and usually twice externally, second and third pro- 
portionately reduced, entire along inner margin, usually twice notched along 
outer margin, notches in all lobes sometimes reduced or increased in number ; 
fourth lobes represented by a_ broad, slight protrusion, not or slightly 
sclerotized, outer margin paralleling line of pygidial margin, and with or 
without a few minute teeth. Plates elongate, each narrowing to end in a con- 
spicuous linear elongation, margins toward the apex more or less fimbriate, 
protrusions short; those plates between the lobes slender, ligulate, those out- 
side the fourth lobes much broader at base and tapering strongly to the slender 
apex ; 3 plates between third and fourth lobes intermediate, broader than those 
inside third lobes, but elongate and tapering gradually. Paragenitals inter- 
mediate in number, characteristically in 4 groups, but sometimes with a single 
pore representing a median cluster; numbers in specimens tabulated as fol- 
lows: Anterior median 0 to 1; anterior laterals, range 7 to 16, average 10.66; 
posterior laterals, range 8 to 14, average 11.85; totals, range 35 to 57, average 
AGeE 
This species has a number of characters that are sufliciently dis- 
tinctive and persistent to permit its ready recognition. The presence 
of dorsal intermediate macroducts close to the anal opening and on 
the immediately preceding segment but not beyond this, the presence 
on each side of the pygidium of three small ‘oval sclerotized flecks, 
one near the margin anterior to the fourth lobe and one in cor- 
responding position on the two segments preceding this, the strongly 
protruding, externally  twice- ‘notched lobes, and the slender to 
strongly tapering plates, with prominent linear apical extension, in 
combination present a distinctive specific picture. 
Described (16, p. 299) from orange and an undetermined vine from 
the Society Islands; in addition to ‘the records previously mentioned, 
cinerea has been reported in literature from Samoa on orange 
(15, p. 402), on the same host from Mexico at quarantine in Califor- 
nla as early as 1921 (94, ie 29), from Indo-China on C2trus 
(Rutaceae) by Bellio (7, p. 227), from ‘Taiwan (Formosa) on Citrus 
by Takahashi (5/7, p. 3S), and from Mexico on Jasminum (Oleaceae) 
by Ferris (20, p. S/-S6). 
The unpublished records of collections, especially those of plant- 
quarantine interceptions,’ are a real source of know ledge of the dis- 
tribution of this insect. Specimens have been examined that were 
reported as collected on various species and varieties of Citrus from 
Mexico, the District of Columbia, and Maryland (greenhouse) in 
North America; from Cuba, Dominica, Grenada, Haiti, Jamaica, 
Montserrat, St. Lucia, and Trinidad in the Caribbean area; from 
Argentina, Brazil, and Dutch Guiana in South America; from Italy, 
Spain, and Palestine in the Mediterranean area; from South Africa; 
4TIt is necessary that caution be exercised in accepting as completely accurate the records 
coming from some types of plant-quarantine interceptions. Often tbese specimens are 
from fruits carried for consumption in ships’ stores, and the practical difficulties in 
tracing the original source of individual fruits, especially of fruits so universally handled 
commercially as are the citrus fruits, are obvious. Thus, with only single records from 
Italy, Spain, and South Africa, the certainty of the establishment of the species in these 
countries might well be questioned. In contrast, with five records over a period of years, 
Ce ey a mail shipment, it seems safe to conclude that cinerea actually is established 
in Palestine. 
