Mulberry Mulberry Black Velvet Scarab and Malachite Scarab

For the scientific name, host, and morphological characteristics, see Maeda Scarab. The main thing happening in the north is the black cashmere beetle. The south is mainly a terrapin chafer and a dark hawksbill (naked chafer).

Injury characteristics Adults eat the mulberry shoots, tender shoots and mulberry leaves, particularly the buds of seedlings, nursery often cause lack of seedlings.

Living habits Black velvet beetles are born one generation and they become adults for winter. The north appeared in early April, and two peaks of mulberry damage occurred in late April, late May, and early June, respectively. They hiked at 18-20 every day. In early May, mating and spawning continued in the soil until early July. The beaded green beetle is also an annual generation, larvae wintering in the earth, climbing to the shallow soil in March the following year, in May, phlegm in May, adulthood in June-July, and the adults love the dark and hot windy night activities. The larvae were 3rd instar and were biting roots in the soil. Natural enemies include Beauveria bassiana, black soil bee, etc. Prevention methods (1) Kill and kill at the evening when adults copulate or feed. (2) Use black light traps. (3) Take the leaves of eucalyptus or Compositae weed into 80% dichlorvos emulsifiable concentrate 10oo, soak it in the mulberry garden to trap and kill the adults. (4) In the evening of adult emergence, spray 50% phoxim EC or 80% dichlorvos EC 1000 times.

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