Sifo: Aad u cufan, laba-jibbaaran oo leh usha la hago ee isku dhafan.
Cabbir yar, ka-hortagga wareegga, saxnaan sare, iska caabin culays dhinac ah oo wanaagsan.
Daloolada: 4/6/10 mm, istaroog: 5–30 mm.
Ku habboon riixitaanka saxda ah, meelaynta iyo isku xidhka meelaha cidhiidhiga ah.
Muujinaya dhammaan natiijooyinka 13
