Inside LaborL Teamsters Worried• At Mafia Horning inBy VICTOR RIESElWASHINGTON, D C —That .social moth, the Mafia’sJohnny (Dio) Dioguardi, now is being accused of having muscular influence in the Teamsters eastern establishment This is unfair to the enterprising Mr. Dio and might do him injury in Cosa Nostra circles wherein heis considered a man with a future.He is, after all, the one man who can be found in the best receptions at the most lush motels, at testimonials and birthday parties given to men of social stature.Fact is that Dio, the man placed squarely in the Cosa Nostra by th; forgotten Joe Valachi, is part of a network with powerful friends nad influence in some teamsters circles reaching into New York, New Jersey, Ohio, Michigan and Illinois.This isn’t bad for an ex-convict, extortioner and specialist in bankruptcy frauds who is a three-time loser now facing another five-year stretch in a federal coop.The Justice Dept,’s Organized Crime and Racketeering section has been showing an intense interest in the network and just the other day its chief, Henry Petersen, spent some time in Detroit.He’s the Modern TypeDio is no ordinary Mafioso He’s a modem type with all sorts of interests ranging from air freight terminals to businesses in midtown Manhattan.But Dio, according to the federal*, is more than an image whose muscle brings in the customers. He is— and almost always in his mature life has been—the lieutenant of 1 Ducks Cora!In The latter for a long time halt; been the apparent hlt; ir of the late Thomas (Three Finger Brown) Luchese,The importance of this has generally been overlooked b\ the public ‘Three Tanger,” before he died, was oe of the most revered members of the Cosa Nostra’s nine-man National Commission which governs most olAmerica’s organized crime.The federals know that his successor would takr that seat automatically after due consideration with Cosa Nostra syndicates in New Jersey, Louisiana, Mich man and Illinois But Tonv Ducks, caught up in New York City’s water supply department kickback scan dal, has been passed byThus the running is to the swiftest of rivals, Johnny Dio (despite his almost unreported bankruptcy fraud conviction).Disturbing to TeamstersAT h:s disturbs mans International Brotherhood olTeamsters vice presidents. They are tired of harass ment Thev are wearv of being considered outs de th«ea! of labor resnectabilitv in manv amas They art faM ’«d wi'h rtxch»«ion from government activities hen and fib-nad Th~v 3rr to drift back into the AFLCIO fhe' ,-p ?i-»^n»,a over (he series of investiga tiers zeroine m on them because of men such as DioThe Teamsters vice presidents know that AFL-CK President George Meany and other labor leaders nov are watching what appears to be the replay of the scan dais of 1952 to 1959.