North China and Africa have long and narrow bodies. The head is small and conical. The compound eye is small and prominent, with 2 single eyes. The front chest backboard is oval, the back is raised like a shield, and both sides extend downward, almost wrapping the basal segment of the forefoot. The forefoot is characterized by a thick and short structure, the base joint is extremely short and wide, the leg joint is slightly bent and flaky, and the tibial joint is short and triangular, with strong spikes, which is convenient for excavation. There are 1 cracks on the inside of the hearing device. The front wing is short, the male can sing, the pronunciation mirror is not perfect, and the Yangtze River delta cavity is formed only by oblique veins and oblique veins. The final net area is small, and the female ovipositor degenerates.
North China mole cricket is 36-55 mm long, yellow-brown, with no obvious heart-shaped concave stuffing on the back plate of the chest, and L-shaped thorns or no thorns on the back side of the tibiofibular joint of the hind foot; Egg-ovoid, dark gray before hatching; Nymphs are similar to adults. African mole cricket is 30-35 mm long, grayish brown, densely covered with fine hair, conical head, filiform antennae, oval chest and back plate, and obvious dark red long heart-shaped concave stuffing spots in the middle. The forefoot is an excavating foot, and the back of the tibiofibular joint of the hindpaw has 3-4 spinous processes. There are l pairs of tail whiskers at the end of abdomen. The egg is oval, milky white at first, and dark purple before hatching. Nymphs are similar to adults.
? ? Hope to adopt, welcome questions.