Ancyloscelis, Latreille, 1829

Schaller, A. & Roig-Alsina, A., 2021, A revision of the bee genus Ancyloscelis (Hymenoptera: Apidae) in Argentina, Zootaxa 4980 (3), pp. 521-540 : 535-536

publication ID

https://doi.org/10.11646/zootaxa.4980.3.4

publication LSID

lsid:zoobank.org:pub:F5B71805-4E78-4B69-9146-797676C1A513

DOI

https://doi.org/10.5281/zenodo.5041988

persistent identifier

https://treatment.plazi.org/id/039787BC-FFE4-FF99-32B7-FA518F86FEEE

treatment provided by

Plazi

scientific name

Ancyloscelis
status

 

Key to females

1. Mouthparts with modified, hooked setae ( Fig. 9A–B View FIGURE 9 ) ( ursinus species group)..................................... 2

- Mouthparts with simple or plumose setae, not hooked ( apiformis species group)................................... 6

2. Labial palpus with modified setae only on first segment. Proboscis very long, second segment of labial palpus 1.9 times as long as intertegular span. Clypeus strongly protuberant, clypeocular distance 0.96–1.07 times MOD ( Fig. 1B View FIGURE 1 ). Labrum entirely black................................................................................... A. halictoides

- Labial palpus with modified setae on first and second segments. Proboscis moderately long, second segment of labial palpus 0.6–0.9 times as long as intertegular span. Clypeus less protuberant, clypeocular distance 0.42-0.50 times MOD ( Fig. 1A, C View FIGURE 1 ). Labrum with small mid apical yellow mark, sometimes minute................................................. 3

3. Mid and hind tibial spurs yellowish ( Fig. 1A View FIGURE 1 ). Hairs with wavy apices present next to hypostomal carina, on anterior trochanter, and on S1–S4 ( Fig. 9C View FIGURE 9 )..................................................................... A. bonariensis

- Mid and hind tibial spurs black ( Fig. 1C View FIGURE 1 ). Hairs with apices straight on hypostomal carina, on anterior trochanter, and on S3–S4.............................................................................................. 4

4. Scopa dorsally yellow and white below ( Fig.1D View FIGURE 1 ). Carina of pronotal lobe forming tuberculiform, strong elevation, posteriorly concave ( Fig. 12B View FIGURE 12 )..................................................................... A. mesopotamica

- Scopa dorsally dark and white below ( Fig. 1C View FIGURE 1 ). Carina of pronotal lobe more or less elevated but not forming tuberculiform elevation, not forming a concavity posteriorly (as in Fig. 12A View FIGURE 12 )................................................. 5

5. Disc of T 2– T 4 with yellowish hairs; apical bands yellowish. Wings membrane brownish, pterostigma and prestigma brownish........................................................................................ A. ursinus

- Disc of T 2– T 4 with black hairs; apical bands wite to yellowish ( Fig. 1C View FIGURE 1 ). Wings membrane infuscate, pterostigma and prestigma black ( Fig. 1C View FIGURE 1 ).......................................................................... A. holmbergi

6. Mandible with basal yellow spot. Flagellum orange ( Fig. 6A–B View FIGURE 6 ). Smaller species, length of forewing 4.3–5.8 mm ........ 7

- Mandible basally dark. Flagellum black to dark brown ( Fig. 6C–D View FIGURE 6 ). Larger species, length of forewing 5.8–7.0 mm...... 8

7. Scape and pedicel orange ( Fig. 6A View FIGURE 6 ). Labrum usually with lateral yellow spot, although some specimens with dark labrum. IOD 1.5–2.0x OOD............................................................................. A. apiformis

- Scape and pedicel black ( Fig. 6B View FIGURE 6 ). Labrum dark, without yellow lateral spot. IOD 1.3–1.5x OOD.......... A. nigricornis

8. Forewing with dark spot apical to marginal cell, remainder of wing margin lighter ( Fig. 6C View FIGURE 6 )................. A. romeroi

- Forewing with entire apical margin darkened ( Fig. 6D View FIGURE 6 ).............................................. A. saltensis

MOD

University of Modena and Reggio Emilia, Department of Biology

T

Tavera, Department of Geology and Geophysics

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Apidae