Large mobile flattened spur is present at the apex of hind tibia
eg. Brown plant hopper
Nilaparvata lugens causes hopper burn, transmits viral diseaes in
rice.
6. LOPHOPIDAE
Head is produced into a snout.
Hind trochanter is directed backward
Hind basitarsus is moderately long. e.g. Sugarcane leaf hopper
Pyrilla perpusilla nymphs
and adults suck the sap and reduce the quality and quantity of cane juice.
7. PSYLLIDAE (Jumping plant lice)
Small active insect
They resemble minute cicadas
They move actively by leaping and flying.
Insect Morphology and Systematics
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Hindleg is more muscular and suited for jumping.
There is a prominent basal vein in the forewing formed by the fusion of radius, median and
cubitus.
Nymphs are sluggish. e.g. Subabul psyllid
Heteropsylla cubana is a serious pest on
subabul.