APPLE CHERMES. 
9 
whicli was furnished with two setae or small bristles; wings yellowish; 
legs pale, tarsi pale brownish, or tips of joints and tip of tibia dark. 
On the 11th of September, Mr. Gibbon kindly sent from Pershore 
some specimens of the mature insect, then undergoing the change of 
colouring which accompanies pairing (quaintly described by Schmid- 
berger as the wedding dress), with the remark, “ The matured insect 
you will find in various forms and colours—some red from head to tail, 
some only red about the head and shoulders, some quite green, and 
some milky white.”—(W. F. G.) 
These winged Psyllas, or Apple-suckers, I found, as described by 
Mr. Gibbon, to be very various in colour; as green with yellowish 
patches on the thorax, and paler transverse lines or rings of pale 
colour on the abdomen ; green, with the markings on the thorax of a 
redder tint, and a little red patching above the abdomen in addition to 
the pale lines ; and pale yellowish, with a tint varying from red to 
brown along the top of the insect from the head to the tip of the tail 
inclusive. 
At the same date, namely, Sept, lltli, Mr. Gibbon observed, “ I 
have been watching daily to note the date of the laying of eggs, but I 
have seen none as yet” ; but on Sept. 18th I was favoured by him 
with a little packet of twigs with “freshly laid eggs of the Psylla 
mali .” 
The eggs were scattered singly or a very few together, in furrows 
or protective hollows near the ends of shoots, and were whitish and 
spindle-shaped for the most part, some more obtuse and yellower. 
This was observed with a common hand magnifier. In a length of 
about an inch of shoot I counted (approximately) fourteen or more 
eggs. And on the 24th of September (thus completing the parallel 
observations at Redditch and Pershore) specimens of Psylla in the 
reddened tint of maturity, and on a yellowing Apple leaf, were sent me 
by Mr. Hiam. 
In the course of the season Mr. 0. Lee Campbell, of Glewstone 
Court, near Ross, also informed me that the attack had occurred badly 
to his trees. 
From comparison of the observations given it will be seen how well 
these agree with the records of the Continental observers. The Apple- 
suckers in both cases are found, in the bright colours of maturity, in 
the earlier part of September; and this is followed by the white 
spindle-shaped eggs being laid in furrows or protective depressions of 
the surface, near the end of the shoots. In spring the newly hatched 
insects were to be found attacking the buds, and likewise seriously 
injuring the stems of the blossom buds ; and our attack was watched 
onwards through the stages in which the insect is often to be seen, 
with a white ball appended by a thread to it, and also beneath a 
