INSECT COMMON TO MAJOR CROPS LIKE RICE

1. RICE YELLOW STEM
BORER
Scientific name:Scirpophaga
incertulas
Family:Pyralidae
Order:Lepidoptera
Location : Gauradaha
Damage symptom:
Dead heart is seen during
vegetative stage
White head or white ear is
seen during reproductive
stage due to of rice plant
RECOMMENDATION:
Remove crop residue and
practice deep ploughing

2. BROWN PLANT
HOPPER(BPH)
Scientific name:Nilparvata
lugens
Family:Delphacidae
Order:Hemiptera
Location:Gauradaha
Host:Rice
(Dimorphic in nature)
DAMAGE SYMPTOM
both nymph and adult suck sap
from leaves
round yellow patches and turn
into brown and called hopper
burn
RECOMMENDATION:
use resistant varieties like IR
optimum use of fertilizer
sanitation remove crop residue
and alternative host

3. RICE SKIPPER
Scientific name:Pelopidas
mathias
Family:Hesperiidae
Order:Lepidoptera
Location:Gauradaha
Host:Rice
DAMAGE :
Caterpillar fold the leaves and
feed from inside on
parenchyma tissue of leaves
and only midrib left
RECOMMENDATION:
Flood the nursery to expose
hiding larva to the surface and
birds pick up them
kerosenate water while
irrigating

4. ARMY WORM
Scientific name:Mythimia
separate
Family:Noctuidae
Order:Lepidoptera
Host :Rice(maize)
Location:Lumbini
DAMAGE:
Caterpillar feed on
epidermis of tender
leaves and second and
third stage feed on
cutting leaves from edge
leaving midrib
RECOMMENDATION:
Destroy crop residue

5. RICE EAR HEADBUG
Scientific name:Leptocoris
oratorius
Family:Aydidae
Order:Hemiptera
Host:Rice
Location: Lumbini
DAMAGE:Both adult and
nymph suck sap from grain
at milky stage and result
into chaffy grains
RCOMMENDATION:Collect
eggs nymph and adult
manually and destroy
Use dirty trap to control
adult population

6. BRINJAL SHOOT AND
FRUIT BORER
Scientific name:Luecinodes
orbonalis
Family:Pyralidae
Order:Lepidoptetra
Host:Brinjal
Location:Lumbini
DAMAGE :Caterpillar feed
inside the tender shoot
and causes wilting of plant
and it also bore into fruit
and make it unfit for
human use
RECOMMENDATION:Destr
oy infested stem fruit and
fallen leaves
Use nylon net barrier in
nurseries

7. RED COTTON STAINER
Scientific name:Dysdercus
cingulatus
Family:Pyrrhocorridae
Order:Hemiptera
Host:Okra
Location:Lumbini
DAMAGE :Both adult and
nymph feed on pods and
cause small dark raised
blister on pods and
frequently seen during
fruiting stage
RECOMMENDATION:
remove and destroy
standing okra crop by a
fixed date

8. CITRUS LEAF
MINOR(DAMAGE
SYMTOM)
Scientific name:Phllocnistis
citrella
Family:Phyllocnistidae
Order:Lepidoptera
Host:Lepidoptera
Location:Gauradaha
Damage:Caterpillar feed on
leaves by making shiny
silvery serpentine mines as
result leaves get distorted
and turn into pale dry and
falls down
RECOMMENDATION:
Collect and destroy infested
leaves
Pruning of affected plant
Spray neem solution as
repellent

9. MANGO GALL MIDGE
Scientific name:Erosomya
mangiferae
Family:
Order:
Host:mango
Location :Lumbini
DAMAGE:Egg laying in the
leaf tissue leaving small
redish spot
Minute maggot penetrate
the tender part and start
feeding
RECOMMENDATION:Hand
picking the midge
Prun the infested branch

10. LEMON BUTTERFLY
Scientific name:Papilos
demolus
Papilionidae
Order: Lepidoptera
Host :Lemon
Location :Gauradaha
DAMAGE:Later stage of
larvae damage voraciously
on succulent leaves
RECCOMENDATION:
Hand picking and
destruction of larvae