How is Leptocorisa Varicornis identified?
Marks of Identification: It is an active greenish-yellow insect with long legs and characteristic buggy odour. The adult measures about an inch in length.
What is the meaning of Leptocorisa?
Leptocorisa oratoria, the rice ear bug, is an insect from the family Alydidae, the broad-headed bugs. This species is commonly confused with Leptocorisa acuta, and other similar, related “rice bug” species.
What is the scientific name of rice bug?
Leptocorisa oratorius
Rice ear bug/Scientific names
The most common species of rice bug are Leptocorisa oratorius F. and Leptocorisa acuta Thunberg.
What is the scientific name of ear head bug?
Leptocorisa acuta
Rice earhead bug/Scientific names
Scientific Name – Leptocorisa acuta. Egg : Eggs are circular, brownish seed like, 2 mm long, laid in clusters in two rows along the midrid on the upper surface of the leaf-blade. Nymph : First instar is small, 2 mm long, pale green in colour, which grows to deep green through different instars.
How do you control Gundhi bugs?
Management
- If possible, remove all weeds and grasses in and out of paddy fields to prevent population build-up of rice bugs in the following crop.
- Trap adult bugs using a light trap, sweep net and dirty trap of cattle urine/dung and then destroy the traps by suitable means.
What is the order of rice bug?
True bugs
Rice ear bug/Order
How do you control Leptocorisa?
Prevention and control In India, practices such as early sowing of early- and late-maturing rice varieties help to reduce pest damage (Srivastava and Saxena, 1967). Simultaneous crop maturity in all fields in an area reduces rice bug damage. Staggered planting should be avoided.
What is the scientific name and order of Gundhi bug?
Leptocorisa is a genus of broad-headed bugs in the family Alydidae. There are about 17 described species in Leptocorisa, some of which are known as “rice bugs” or gundhi bugs (in India); they are found in south and east Asia and in Oceania.
How do you control Leptocorisa Acuta?
What is Gandhi insect?
The bug is about 19 mm in length with long legs and antennae. Its body is slender and green or brown in colour. Eggs are laid on the leaves in groups of 10-20 in straight rows. Eggs are oval shaped and dark reddish brown. Rice fields severely affected by the bug emit a repugnant smell, hence the name gundhi bug.
Which insecticide is used to control Gundhi?
malathion was quite effective to reduce gundhi bug population closely followed by rocket. Other insecticides were less effective but were better over control. Highest grain yield of 2.320 t ha -1 was recorded with application of colfos, closely followed by thiodan (2.311 t ha -1) and furadan (2.281 t ha -1).
How do you use 50% EC of malathion?
Dilute Malathion CE 50 at a dose of 4 1/2 oz per gallon of water and applied by spraying to the soil, turf, or foliage. Reapply if necessary. Spray plants thoroughly on both sides of foliage. Repeat as necessary.
Which is host plant of Leptocorisa varicornis F?
Intrinsic rate of natural increase of gundhi bug, Leptocorisa varicornis F. on alternate host plant, Echinochloa colonum (L.) Link. Journal of Entomological Research, 20 (3):281-283; 4 ref.
What kind of plant is Leptocorisa acuta found on?
Leptocorisa acuta (Thunberg) can be found on many crop plants in the family Poaceae (grasses), especially rice, and is a reported pest of economic significance in rice-producing countries like India, Australia, and China (Schaefer and Panizzi 2000).
Can a Leptocorisa acuta mimic an ant?
Unlike other species in the Alydinae subfamily, the nymphs of Leptocorisa acuta do not mimic ants. Leptocorisa acuta adults are crepuscular (active during the early morning and late afternoon).
How long does a Leptocorisa acuta live?
Leptocorisa acuta adults are crepuscular (active during the early morning and late afternoon). After 8-29 days, adults of both sexes are fully mature. Adults may live up to 69 days. Females live longer than males on average: 60 and 48 days, respectively.