Mielkeanthidium Parizotto & Urban, 2011, sp. nov.
Creators: name: Parizotto, Daniele R.
name: Urban, Danúncia
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Megachilidae
Mielkeanthidium

description: Key to Mielkeanthidium species
Note. Males of M. ornatum and females of M. albertinoi sp. nov. and M. tucumanum sp. nov., are unknown.
1 Males ............................................................................................... 2
- Females............................................................................................ 6
2 Sixth tergum with straight distal margin, without a median projection; distal tergum with truncate lateral lobes, lobe bases as wide as apices, space between lobes narrower or same as lobes width (Fig. 27); apex of third sternum with a median emargination on distal margin and without long curved hairs (Fig. 30).................................................. 3
- Sixth tergum with an apical projection at middle; distal tergum with acute lateral lobes, lobes wider basally than distally, space between lobes about twice as wide as lobe width (Fig. 28, 29); apex of third sternum without a median emargination and with long curved hairs (Fig. 31)............................................................................. 4
3 Clypeus yellow in the first apical 2/3 (Fig. 5); scutellum black; basal tergum and third to fifth terga with a complete yellow band; sixth tergum black; distal tergum darkish brown with two lateral maculae; third to fifth sterna darkish brown.................................................................................................... M. nigripes
- Clypeus totally yellow (Fig. 7); scutellum with apical yellow band; basal tergum with yellow lateral bands only; third to fifth terga with discal yellow band only; sixth tergum with distal yellow band; distal tergum almost entirely yellow; third to fifth sterna almost entirely yellow................................................................... M. rubripes
4 Vertex with coarse, darkish brown hairs; pronotal lobe black; axillae and scutellum without yellow maculae, or with weak yellow maculae (Fig. 11); basal half of second tergum densely punctate, punctures separated by almost half of a puncture diameter (Fig. 25)............................................................................. M dissimile sp. nov.
- Vertex with fine and amber hairs; pronotal lobe with a yellow macula; axillae and scutellum with wide yellow band (Figs. 10, 12); punctures of basal half of second tergum sparse, punctures separated by a puncture diameter or more (Figs. 24, 26).... 5
5 Third to sixth terga densely punctate, punctures separated by less than a half of a puncture diameter; sixth and seventh terga almost totally yellow; sixth tergum with median projection short, truncate (Fig. 28); third sternum light brown............................................................................................... M. albertinoi sp. nov.
- Third to sixth terga with large punctures, punctures separated by more than half than punctures diameter; sixth and seventh terga with a large yellow band, wider medially on sixth; sixth tergum with median projection elongated, acute; third sternum yellow (Fig. 29)..................................................................... M. tucumanum sp. nov.
6 Mandible with four-toothed; propodeum base with well-developed row of pits across its upper margin.. M. dissimile sp. nov.
- Mandible with three-toothed; propodeum base with a row of pits larger laterally and narrowed medially................. 7
7 Paraocular area with large yellow maculae almost reaching median ocellus (Fig. 9); postocellar band reaching the first third of gena and narrower at middle (Fig. 20); distal tergum with a large yellow maculae (Fig. 16).................. M. ornatum
- Paraocular area with a little yellow spot at sides of antennal sockets (Figs. 6, 8); postocellar area with two small yellow lines behind eyes (Figs. 17, 18); distal tergum black (Fig. 14)....................................................... 8
8 Second and third terga with finer punctures on disc than in the remaining surface; third to fifth terga with compete yellow band, emarginated at middle (Fig. 13); scutellum black (Fig. 17); legs dark brown, without ferruginous areas.... M. nigripes
- Second and third terga uniformly punctate; third to fifth terga with discal yellow band only (Fig. 14); scutellum with distal yellow band (Fig. 18); fore and mid tibiae and basitarsus with ferruginous areas............................. M. rubripes
description: Published as part of Parizotto, Daniele R. & Urban, Danúncia, 2011, New resin bee species in the genus Mielkeanthidium Urban (Hymenoptera, Megachilinae), pp. 55-62 in Zootaxa 3139 on pages 61-62, DOI: 10.5281/zenodo.207366