TABLE 1 in Taxonomic revision of the garrulus species group in the bee genus Hylaeus Fabricius, 1793 (Hymenoptera: Apoidea, Colletidae)

TABLE 1. Main diagnostic characters to identify the females of the three Prosopis species groups and H. gazagnairei (Vachal, 1891). In bold are highlighted the most distinctive characters that are unique to a group. CharactersH. gazagnairei (Vachal)gibbus groupvariegatus groupgarrulus groupMesosternumWith small, distinct andWith small, distinctRugulose-lacunoseWith minute todense punctures.and dense punctures.– with large toindistinct densecoarse, contiguouspunctures.to subcontiguouspunctures and rugoseIS.PropodeumRegularly rounded, i.e.Regularly rounded,Angular, with shortRegularly rounded, i.e.without oblique andi.e. without obliquehorizontal basalwithout oblique andtransverse carina, withand transverse carina,triangle and steeptransverse carina, witha finely rugose basalbasal triangleposterior face, basala finely rugose basaltriangle often crossed bylongitudinally ridgedtriangle deeplytriangle often crossedtransverse rugae (Fig.(Fig. 2D).areolate with a sharpby transverse rugae2A).transverse carina(Fig. 7D).(Fig. 2G).TibiaeRedBlack with small basalBlack with small basalBlack with small basalyellow spots.yellow spots.yellow spots.Hind tibial innerWith short andWith short andWith long and sparseWith short andspurcontiguous spines (Fig.contiguous spinesspines (Fig. 2H).contiguous spines (see2B).(Fig. 2E).Figs 2B, 2E).T1Tegument tesselate,TegumentTegument uniformlyTegument uniformlyuniformly covered withtransversallycovered with fine tocovered with fine tofine to small puncturesshagreened withsmall punctures andsmall punctures and(Fig. 2C). Usually red.fine to minute andsmooth IS (Fig. 2I).smooth IS (Fig. 7E).irregularly scatteredUsually red.Black.punctation (Fig. 2F).Usually black.MetasomalCovered with dark hairs.Covered with darkCovered with lightCovered with lightsegments 5–6hairs.hairs (see Fig. 7F).hairs (Fig. 7F).