Ganoderma lucidum pest: Oriental mole cricket

Gryllotalpa orientalis Burmeister is commonly known as local dog. Orthoptera is a family of mole crickets.

1. Adult body length 29-31 mm. The head is conical, dark brown. Protoplate ovoid. Before wing yellow-brown, can extend to abdomen middle, abdomen spindle shape, abdomen back is blackish brown, ventral dark yellow, terminal has longer tail to be 1 pair. The forefoot is specially turned into a digging foot, and there are 3-4 thorns on the dorsal inner edge of the hindfoot intestinal segment. The nymph is similar in body shape to the adult and greyish black.

It has one generation a year, and both adults and nymph can overwinter. It has the habit of phototaxis and organic matter such as horse dung and soil dung, and often hides in the culture medium of the bacterial bed during the day. Female insects prefer to lay eggs in wet riverbanks, ditches and soft media. The egg duration is 20-25 days.

2. Harmful situation: making holes and digging tunnels in the fungus bed, destroying mycelium, affecting mycelium growth, biting stipe and young bud, destroying normal growth of Ganoderma lucidum and reducing yield and quality.

3. control methods

(1)Artificial capture or light trap.

(2)Poison bait trap, with 57% phoxim 0.25 kg, wheat husk 1.5-2.5 kg, add water (hand hold into a group, landing can be scattered for the degree), in the evening scattered around the bacteria bed.