A 27-year-old Arlington man was convicted yesterday of raping, robbing and maliciously wounding a county woman who testified she was so traumatized by the events that she couldn't recall them for nearly three months.

An Arlington Circuit Court jury returned the verdicts against D'Alesandro Barber of the 900 block of North Wayne Street. He had pleaded innocent, contending he was at a concert in Washington with his cousin when the woman was attacked at about 2:30 a.m. on July 11.

The jury recommended sentencing Barber to 25 years in prison for the rape, five years for the robbery, five years for the malicious wounding and 10 years on the charge of breaking and entering the victim's first-floor apartment with intent to rape and rob.

Judge William L. Winston will hear post-trial motions before setting a formal sentencing date for Barber, who has another felony conviction for burglarizing a school and misdemeanor convictions for assault. He could receive consecutive or concurrent sentences for yesterday's conviction.

Defense attorney Edward C. Farstad argued that the case was one of mistaken identity and highlighted the woman's initial failure to identify Barber from a picture as her assailant. Farstad said he will probably appeal the conviction.

The victim, who required 16 stitches for hand wounds after struggling to get a knife away from her attacker, identified Barber in court as her assailant. Assistant Commonwealth's Attorney Helen Fahey also produced testimony from a forensic scientist who confirmed the woman had been raped and linked Barber to the crime through physical evidence.