108 



Distribution. — Discovered in the garden of the Museum at Kingston, 

 Jamaica, in 1891. Since found by Dr. Freeland in Antigua, and 

 by Dr. Berlese in the Botanic Garden at Padova, Italy. 



Food-plants. — Only found on the ornamental varieties of croton ; it 

 occurs crowded near the midrib on the upper side of the leaf. 



Destructiveness. — It may become troublesome if not attended to. 



Note. — This is very probably a distinct species The typical P. per- 

 gandii, Comstock, infests orange trees in the Southern United 

 States. 



(63.) Parlatoria proteus, Curtis. (The Common Parlatoria.) 



Diagnosis. — Similar to the last, pale grey -brown or brown, first skin 

 more or le6s blackish, second a rather reddish brown varying to 

 yellow, not suffused with black. 



Distribution. — Found in Jamaica on a palm at Mr. Gardner's restaurant 

 in Kingston, Feb. 22, 1892. It occurs also in other parts of the 

 town. On various cultivated plants in Europe, and also in a hot- 

 house in "Washington City, U.S.A. ; also, according to Maskell, on 

 Apple in Queensland. 



Food-plants. — Quite various, including palms, apple, Microsomia, Se- 

 lenipedium and Vanda. 



Destructiveness. — Its ability to live on very different plants makes it 

 difficult to deal with, but it is not usually abundant enough to 

 attract attention. 



Genus Pseudoparlatoria. 



In this genus the female scales might be taken for some Aspidiotus 

 or Diaspis, while the male scales are something like female scales of 

 Parlatoria, being oval in outline. 



(64.) Pseudoparlatoria ostreata, Ckll. (Acalypha Scale.) 



Diagnosis. — Small pale grey scales, covering the branches of Acalypha 

 overlaping, looking under a lens like minute oyster-shells. Male 

 scales on the leaves, along the mid-rib and principal veins. 



Distribution. — As yet only known from Kingston, Jamaica, where it is 

 common. 



Food-plants. — Found especially on Acalypha in gardens, but also on 

 Solanum, &c. 



Destructiveness. — Very destructive to Acalypha, killing the branches it 

 attacks. 



Genus Mytilaspis. (The Mussel Scales.) 

 (65.) Mytilapsis citracola, Packard. (The Citrus Mussel Scale.) 



Diagnosis. — A small brown scale shaped like a mussel shell, pointed at 

 one end, rounded at the other, 



Distribution. — Common in Jamaica ; also found in Antigua, Montserrat, 

 Bermuda, Trinidad, Florida, Louisiana, California, Tahiti, Sand- 

 wich Is., Fiji Is., Southern Europe, Ceylon, New Zealand, New 

 South Wales, Queensland, South Australia (in hot houses), Victoria 

 and in a hot house in Russia. 



