Anthidiellum

Niu, Ze-Qing, Ascher, John S., Luo, A-Rong, Griswold, Terry & Zhu, Chao-Dong, 2016, Revision of the Anthidiellum Cockerell, 1904 of China (Hymenoptera, Apoidea, Megachilidae, Anthidiini), Zootaxa 4127 (2), pp. 327-344 : 329

publication ID	https://doi.org/ 10.11646/zootaxa.4127.2.5
publication LSID	lsid:zoobank.org:pub:0586127D-1607-4FAF-80AE-27EB476CBB7C
DOI	https://doi.org/10.5281/zenodo.5660981
persistent identifier	https://treatment.plazi.org/id/C95A231E-FFD6-4517-FF6F-FD97FA48F958
treatment provided by	Plazi
scientific name	Anthidiellum
status

Treatment

Key to Chinese species of Anthidiellum View in CoL

1. Flagellum 11-segmented, male........................................................................... 2

-. Flagellum 10-segmented, female......................................................................... 6

2. S5 without comb of black teeth.......................................................................... 3

-. S5 with comb of black teeth ( Figs. 8 View FIGURE 8 g, 11g)................................................................. 5

3. Omaular carina with a shallow concavity on upper margin ( Figs. 2 View FIGURE 2 f, 3f); scutellum with posterior margin distinctly angled inward to midpoint ( Fig. 3 View FIGURE 3 d); paraocular area with yellow maculation extending above antennal socket ( Fig. 3 View FIGURE 3 b).......... 4

-. Omaular carina straight, without a shallow concavity on upper margin ( Fig. 5 View FIGURE 5 f); scutellum with posterior margin broadly rounded outward except for narrow, shallow notch medially ( Fig. 5 View FIGURE 5 d); paraocular area with yellow maculation not extending above antennal socket ( Fig. 5 View FIGURE 5 b).................................. Anthidiellum (Anthidiellum) yunnanense ( Wu, 1962) View in CoL

4. Apical margin of T6 with well-developed lateral lobe in addition to medial spike ( Fig. 3 View FIGURE 3 g); T2 coarsely punctate ( Fig. 3 View FIGURE 3 e)............................................................... Anthidiellum (Anthidiellum) scutellatum Wu, 2004 View in CoL

-. Apical margin of T6 with medial spike but without lateral lobe; T2 finely punctate ( Fig. 2 View FIGURE 2 e).......................................................................................... Anthidiellum (Anthidiellum) boreale Wu, 2004 View in CoL

5. Hind tibia with longitudinal carina on outer face; T2 black, without yellow maculation laterally ( Fig. 8 View FIGURE 8 e); axilla yellow ( Fig. 8 View FIGURE 8 d)....................................................... Anthidiellum (Pycnanthidium) carinatum ( Wu, 1962) View in CoL

-. Hind tibia without longitudinal carina on outer face; T2 with yellow maculation laterally ( Fig. 11 View FIGURE 11 e); axilla black ( Fig. 11 View FIGURE 11 d).......................................................... Anthidiellum (Pycnanthidium) latipes ( Bingham, 1897) View in CoL

6. Hind tibia and hind basitarsus each with a longitudinal carina on outer face ( Fig. 7 View FIGURE 7 f); mandible with three teeth ( Fig. 7 View FIGURE 7 c).............................................................. Anthidiellum (Pycnanthidium) carinatum ( Wu, 1962) View in CoL

-. Hind tibia and hind basitarsus both without a longitudinal carina on outer face ( Figs. 4 View FIGURE 4 f, 9f); mandible with four teeth, though third tooth sometimes very small ( Figs. 1 View FIGURE 1 c, 4c, 6c, 9c)........................................................ 7

7. Hind basitarsus stout ( Figs. 9 View FIGURE 9 f, 10f), width as wide as greatest width of hind tibia.................................. 8

-. Hind basitarsus slender ( Fig. 6 View FIGURE 6 a), width much less than greatest width of hind tibia................................. 9

8. Posterior margin of scutellum black ( Fig. 10 View FIGURE 10 d).................... Anthidiellum (Pycnanthidium) latipes ( Bingham, 1897) View in CoL

-. Posterior margin of scutellum yellow, with two yellow markings ( Fig. 9 View FIGURE 9 d).................................................................................................... Anthidiellum (Pycnanthidium) coronum (Wu, 2004) View in CoL

9. Forewing with veins bicolored, basally dark and distally yellow including stigma ( Fig. 6 View FIGURE 6 e); mandible much broader apically than basally ( Fig. 6 View FIGURE 6 c); T1-T3 black, without yellow maculation ( Fig. 6 View FIGURE 6 e).. Anthidiellum (Clypanthidium) popovii ( Wu, 1962) View in CoL

-. Forewing with veins all dark ( Fig. 1 View FIGURE 1 a); mandible scarcely broader apically than basally; at least T2-T3 with yellow maculations laterally ( Fig. 1 View FIGURE 1 e, 4e)................................................................................. 10

10. Omaular carina with shallow concavity on upper margin ( Fig.1 View FIGURE 1 f); scutellum with posterior margin distinctly angled inward to midpoint ( Fig. 1 View FIGURE 1 d); paraocular area with yellow maculation ( Fig. 1 View FIGURE 1 b)....... Anthidiellum (Anthidiellum) boreale Wu, 2004 View in CoL

-. Omaular carina straight, without a shallow concavity on upper margin ( Fig. 4 View FIGURE 4 f); scutellum with posterior margin broadly rounded outward except for narrow, shallow notch medially ( Fig. 4 View FIGURE 4 d); paraocular area black, without yellow maculation ( Fig. 4 View FIGURE 4 b)........................................................ Anthidiellum (Anthidiellum) yunnanense ( Wu, 1962) View in CoL