Gryllotalpa orientalis.

  • Gryllotalpa orientalis, alias African cricket, small cricket, pulling cricket, pulling cricket, earth dog, ground dog, water dog. China changed from 1992 to Oriental cricket, which is distributed all over the country.
    Adults are 30-35 mm long, grayish-brown, light-colored abdomen and densely covered with fine hairs. Head conical, antennae filiform. The anterior thoracic dorsal plate is oval, with a distinct dark red long heart-shaped depression in the middle. The forewings are grayish-brown and short, reaching only the middle of the abdomen. Hind wing fan-shaped, longer, more than abdominal end. There is a pair of tails at the end of the abdomen. The forefoot is a digging foot, and there are four distances in the dorsal medial part of the tibial segment of the hind foot, which is different from the cricket of North China. The egg is 2.8 mm long at first, 4 mm before hatching, oval, milky white at first, then yellowish brown, dark purple before hatching. The nymphs are 8-9 instars, the length of the last nymphs is 25 mm, and the shape of the nymphs is similar to that of adults.
    Overwintering underground with adults or nymphs. After the Qingming Dynasty, it rose to the surface, and a small dump of empty soil could be erected at the entrance of the cave.
    The crickets emerge in the dark day and night. They are most active from 9 to 11 o'clock in the night. Especially in the high temperature, humidity and sultry night, they excavate a large number of activities. In early spring or late autumn, because of the cool climate, it only moves in the surface soil layer, not on the ground, and often dives into the deep soil layer in the hot noon. The salamander has phototaxis and strong phototaxis to sweet substances such as semi-ripe millet, fried bean cake, wheat bran and horse manure.
    Photo Source: Gaga Insect Net
    Sprouting spring

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