Colletidae
Hylaeus imparilis (Förster, 1871)
Previous Reports: Kuhlmann et al. (2015)
Specimens Examined: 1♂, Ta' Ċenċ (Sannat), 7-iv-1999, B and G Degen ; 3♂, Marfa Ridge (Mellieħa), 14-iv- 1999, B and G Degen; 1♂, 1♀, Dingli Cliffs (Dingli), 17-iv-1999, B and G Degen; 1♂, Golden Bay ( Mġarr), 21-iv- 1999, B and G Degen ; 1♂, Wied Qirda (Siġġiewi), 26-iii-2012, Liston ; 1♀, Għar Lapsi (Siġġiewi), 5-v-2014, MV Balzan ; 1♂, 3♀, Delimara (Marsaxlokk), 26-v-2014, MV Balzan;
Distribution: Mediterranean Basin, Eastern Europe and the islands of Cyprus, Sardinia and Sicily.
Hylaeus clypearis (Schenck, 1853)
Previous Reports: Kuhlmann et al. (2015)
Specimens Examined: 1♂, St. Julians, 12-vii-1970, Stockh ; 1♀, St. Julians, 12-vii-1970, Stockh ; 1♀, Buskett (Rabat), 12-vii-1977, Schembri
Distribution: Continental Europe and North Africa, and the islands of Cyprus, Corsica, Sardinia and Sicily.
Hylaeus taeniolatus (Förster, 1871)
Previous Reports: Kuhlmann et al. (2015)
Specimens Examined: 8♂, 7♀, St. Julians, 3-vii-1970, Stockh ; 1♀, Marfa Ridge (Mellieħa), 14-iv-1999, B and G Degen; 1♀, Dingli Cliffs (Dingli), 17-iv-1999, B and G Degen; 1♀, Selmun (Mellieħa), 24-iv-1999, B and G Degen ; 1♀, Marsaxlokk, 18-v-2003, W. Schedl; 1♀, 1♂, Delimara (Marsaxlokk), 26-v-2014, MV Balzan
Distribution: Mediterranean Basin and Central Europe (Austria, Germany, Netherlands, Switzerland) and the islands of Corsica, Cyprus, Sardinia, and Sicily.
Hylaeus signatus (Panzer, 1798)
Previous Reports: Kuhlmann et al. (2015)
Specimens Examined: 1♂, Delimara (Marsaxlokk), 17-v-2003, W Schedl ; 1♂, Xlendi (Gozo), 17-v-2003, W Schedl.
Distribution: Continental Europe, the North African countries of Morocco and Tunisia, Sardinia.
Hylaeus hyperpunctatus (Strand, 1909)
Previous Reports: Valletta (1971); Kuhlmann et al. (2015)
Specimens Examined: 10♀, 4♂, Buskett (Rabat), 16-ix-1976, Schembri ; 10♀, 2♂, Santa Marija ( Comino), 26- ix-1977, Schembri ; 2♂, Birzebbuġa, 5-vii-1978, Richards
Distribution: Southern Europe and the islands of Corsica, Sardinia and Sicily.
Hylaeus punctatus (Brullé, 1832)
Previous Reports: Valletta (1971)
Distribution: Continental Europe, Corsica, Sicily and Sardinia.