Among the ticks with morphological anomalies were: Argas persicus - fed female with atrophia of the third right leg together with the coxa from the chicken in the hen house (Mfakar Alsrki - Syria); Hyalomma marginatum - partly fed female with complete absence of the fourth right leg, was found on a sheep (Mfakar Alsrki); Ixodes ricinus - partly fed female with asymmetry of the body from the roe - deer (Popielno, province Suwałki); I. ricinus - partly fed female with anomaly in shape of the dorsal disk, was found probably on a cattle in province Kraków.
Remarcable morphological anomalies were observed in a female of Hoplopleura capitosa found on Mus musculus caught in Niemirówek, the Tomaszów district (Poland). The anomalies concerned the shape and chaetotaxis of some parapleural plates on the abdomen, constitute one of the basic taxonomical features of Anoplura.