PCS

*ḳarṣ- - kind of harmful insect; mosquito (SED II No. 138)

Likely related to PS verbal root *ḳrṣ ‘to sting, to nibble’

Hebrew
ḳäräṣ - a disturbing insect (HALOT 1148)
Arabic
qāriṣ- - a kind of biting insect (BK 1 658, Fr. I l l 425, Lane 2514, TA 18 88)
Mehri
ḳərōṣ - mosquito, bug (ML 236)
Jibbali
ḳérɔ́ṣ - bugs, tiny nocturnal flying insects that fly in swarms and sting (JL 150)
Harsusi
ḳerūṣ - biting insects, bugs (HL 77)