HOP. 
Hop Aphis. Aphis ( Phorodon) Humuli, Schrank. 
For these observations the reader is referred to the Appendix, as, 
for convenience of early distribution to contributors, the notes were 
printed before the rest of this Report, and consequently had to be 
paged separately. 
Hop Cuckoo Fly, Frog Fly, or Jumper. Euacanthus 
inter ruptus, Linn. 
Euacanthus interruptus. 
Hop Frog Fly, and early stage of the same, mag., and lines showing nat. size. 
The following observations on Jumper, Cuckoo Fly, or Frog Fly, as 
it is variously called, seem to me to point to the yearly attack being 
begun by the young “Jumpers” coming up from the ground, or 
shelters in the ground of Hop-hills, where they had been recently 
hatched, or from crannies in old Hop-poles ; and Mr. Gr. Turvill’s 
note of the appearance of the Cuckoos in a Hop-ground which had 
been free from attack until poles from a badly-infested garden were 
brought to it, is very interesting. 
Whether the autumn females live through the winter in nooks and 
crannies and lay in the spring, or whether, as I incline to think, eggs 
are deposited in bark or stems, or in other secure spots, is not yet 
proved; but, from the observations of these insects being found in a 
very minute state first early in the season, and also first at the base of 
the plant, it is probable something might be done to check their 
upward journey. 
Paraffin (see p. 89), or any application thoroughly obnoxious to 
the insect, which might be so sprinkled in a dilute state on sawdust, 
