TABLE 4 in Taxonomic revision of the garrulus species group in the bee genus Hylaeus Fabricius, 1793 (Hymenoptera: Apoidea, Colletidae)

TABLE 4. Main diagnostic characters for the males of the garrulus species group. In bold are highlighted the most distinctive characters that are unique to a species. CharactersH. garrulusH. teruelusH. woodiClypeusSlightly shorter than wideMuch wider than long (CL/Intermediate (CL/CW=(CL/CW= 0.90–1.02) (Fig.CW= 0.70–0.73) (Fig. 6F).0.76–0.82) (Fig. 6K).6A).Supraclypeal areaSimple. Light yellow, rarelyPair of lateral brownishSimple. Light yellow (Fig.with trace of brownishbumps (Fig. 6F).6K).colour laterally (Fig. 6A).Malar areaDistinct, short, about 0.30–Indistinct and very short,Hardly distinct but short,0.41× MOD (Fig. 6A).about 0.18–0.25× MOD (Fig.0.24–0.33× MOD (Fig. 6K).6F).Facial foveaExtended ventrally* intoExtended ventrally* into aNot extended ventrallyimpunctate line, curvedfurrow and/or impunctate(Fig. 6K).inwards (Fig. 6A).line, curved inwards (Fig.6F).MesosternumSurface betweenMesosternum concaveSurface between signummidventral line and signummedially, concavityand midventral line flat,slightly elevated, flat,bordered laterally by sharpwith small and smoothglabrous, smooth and shinycarina (Fig. 6G). Midventralbump (Fig. 6L). Midventral(Fig. 6B). Midventral lineline not grooved.line not grooved.grooved.S3 callusWith protuberant medial U-With protuberant medial U-With medial transverse(if present)shaped elevation (Fig. 6C)shaped elevation (Fig. 6H).keel (Fig. 6M).GenitaliaOuter margin of gonoforcepsOuter margin ofOuter margin of gonoforcepsangulate apically (Fig. 6D).gonoforceps widelyangulate apically (Fig.Outer surface of penis valve,rounded apically (Fig. 6I).6N). Outer surface of penisbelow medial carina, withOuter surface of penis valve,valve, below medial carina,cuticle progressively swollenbelow medial carina, withwith cuticle conspicuouslytoward penis fovea (Fig. 6E).cuticle progressively swollenswollen just before penistoward penis fovea (Fig. 6J).fovea (Fig. 6O).PilosityHairs on frons, genaHairs on frons and genaHairs on frons and genaand mesepisternum longmedium and weaklymedium and weaklyand plumose, longestplumose, longest hairs asplumose, longest hairs ashairs about 1.5× MOD;long as MOD; posterior facelong as MOD; posteriorposterior face of profemurof profemur with long hairs,face of profemur withwith long hairs, longestslightly longer than MOD.short hairs, at most ashairs much longer thanMesosternum uniformlylong as half the MOD.MOD. Mesosternum largelycovered with hairs (Fig. 6G).Mesosternum uniformlyglabrous (Fig. 6B).covered with hairs (Fig. 6L).ColourMetasoma with discolouredMetasoma with discolouredMetasoma with brownish tomarginal zone.marginal zone.dark marginal zone. *If hard to see, it is detectable by the surrounding change in sculpture, in particular the finer sculpture on its outer side.