सफेद लट

Scientific name - Holodrichia 

consanguinea

Order - Coleostere

Family - MelalonididaeIt is a ubiquitous pest of national importance. It is also known as Cockpatchker Horn, May Horn.Characteristics: The body of the adult beetle is black-brown in colour, 18 mm long and 7 mm wide and is divided into head, antennae and abdomen.And two pairs of wings in which the front wings are thick which are in the developmental stage and its hair is white in colour. The baby hair is 10-12 mm long and 2-3 mm wide.The body of the Lar is shaped like the English letter "C".Damage - It is an underground insect and its larvae cause damage by eating the roots of various crops, vegetables and nursery plants. The baby larvae first eat rotten matter.In case of severe infestation of this insect, the entire crop gets destroyed. This is the reason why peanuts and chillies suffer more damage than millets and jagar. White caterpillars cause 20 to 100 percent damage.Life cycle:- After the first heavy rains of monsoon or before that, the adult beetles of this insect come out of the ground at around 7:30 pm and gather on the host plants. They do not come out of the ground before mid-May because they are not sexually mature at that time. First of all, the female beetle comes out of the ground and attracts the male beetle towards her for mating. The female beetle lays eggs in the soil at a depth of 10-15 cm in 2 to 3 days. A female beetle lays eggs in her lifetime.It lays 50 to 60 eggs in a month. The female beetle lives for 30 to 50 days. It remains active till the eggs are incubated and after that they turn into oocysts in a suitable moist area at a depth of 40 to 70 cm in the soil. This beetle burrows at a depth of about 1 meter in the soil.They spend their life in dormant state till mid-May. The life cycle of the insect is completed in 129 to 150 days.

प्रबन्धन- इस फीट का नियंत्रण श्रृंग और लट दोनों ही अवस्था का उपचार करके किया जा सकता है। शस्थ प्रवन्ध • बरसात के मौसम की पहली अच्छी वर्ष के तुरन्त बाद रात्रि में प्रकाश पाश एवं परपोषी पौधों की शाखा ओओं पर एकत्रित हुए कागों को एकत्रित कर नष्ट कर देना चाहिए। यह कार्य 8:30 सायं से 11:30 बजे तक रात्रि में करना चाहिए। रासायनिक प्रबन्धन - • मूंगफली की बुवाई करते समय ४० किलो बीज को रलीटर क्लोरपायरीफॉस 20 ई.सी. या क्यूमॉलफॉस 25 ई. सी कीटनाशी से उपचारित कर बुवाई करनी चाहिए। फसलों में लटों के प्रकोप की रोकथाम के लिये क्यूलॉकास 5 प्रतिशत का या कार्बोफ्यूगन उ प्रतिशत कण २०-25 किलो प्रति हेक्ट्रेयर की दर से बुवाई से पूर्व कतारों में ऊर देना चाहिए।