For the source text click/tap here: Chullin 65
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While insects are not part of a Western diet, the Torah includes certain types of locusts among the “winged swarming things” that can be eaten (see Vayikra 11:20-25), offering both a description – those that “have jointed legs above their feet, wherewith to leap upon the earth” – and a list of names of the kosher species. The Mishnah (daf, or page 59a) elaborates on the description, requiring that kosher locusts must have four legs, four wings, leaping legs, and wings covering the greater part of the body; Rabbi Yosi adds that they must bear the name hagav – locust.
On our daf, the Sages discuss the four specific names mentioned in the Torah as kosher species of locusts – arbeh, sol’am, hargol and hagav – and what the Torah is including when it adds that each of these is permitted “after its kind.” Thus we find a baraita teaching that the arbeh is the gobai, the sol’am is the vashon, the hargol is the nippol, and the hagav is the gadi’an.