In America are special internet forums about keeping wasps and hornets, take a look at ,,poisionpets" or some forum as that, in America there are experts for keeping blue jackets of genus Polistes.. I was trying keeping this ,,not true wasps" but queens wanted just to went out on the sun, so I left them into nature and stopped all trying of keeping them.. But Polistes are not so aggresive as real wasps of Vespula(but V. vulgatis isn´t aggresive and easy keepd also), almost P. fuscatus and others...:
Hyperlinks sind nur für registrierte Nutzer sichtbar This Maculifrons is really experienced and skilled wasp keeper, it´s a pity that Hymenoptera in Slovakia are ,,Real Childs of Sun" as myrmecologiest and entomologiest says.....