Sphecodes Astafurova & Proshchalykin, 2014, sp. nov.
Creators: name: Astafurova, Yulia V.
name: Proshchalykin, Maxim Yu.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Halictidae
Sphecodes

description: Key to the Sphecodes species of the Russian Far East
Females
1. Hind wing with 7–14 hamuli. Hind wing with basal (M) vein weakly curved (Fig. 86). Usually large species: body length 6.0–15.0 mm......................................................................................... 2 - Hind wing with 5–6 hamuli. Hind wing with basal (M) vein strongly curved (Fig. 87). Large or small species: body length 4.5–11.0 mm 6 2. Vertex weakly elevated, with longitudinal sharp carina (Fig. 65).—Head strongly transverse, 1.2 times wider than long. Scutum and scutellum sparsly punctate, medially with punctures mostly 1–3 diameters apart (Fig. 76). Pygidium slightly narrower than hind basirarsus. Body length 6.0–8.0 mm.......................................... S. cristatus Hagens - Vertex strongly elevated, acarinate, but sometimes with weakly (indistinct) longitudinal ridge........................ 3 3. Genal area flat. Preoccipital ridge developed. Vertex shorter, distance from top of head to upper margin of lateral ocellus about 2 lateral ocellar diameters (Fig. 66).—Head strongly transverse, 1.3 times wider than long. Scutum medially with punctures up 1.5–2 diameters apart (Fig. 82). Pygidium slightly narrower than hind basitarsus. Body length 9.0–12.0 mm............................................................................................... S. scabricollis Wesmael - Genal area swollen. Preoccipital ridge not developed. Vertex longer, distance from top of head to upper margin of lateral ocellus equal to 2.5–3 lateral ocellar diameters (Fig. 64).......................................................... 4 4. Scutum densely punctate, with punctures less a puncture diameter apart (Fig. 74). T4–T5 red.—Head strongly transverse, 1.3 times wider than long. Pygidium slightly narrower than hind basitarsus. Body length 9.0–15.0 mm S. albilabris (Fabricius) - Scutum sparsely punctate, with punctures up 3 and more diameters apart. T4–T5 black, sometimes T4 laterally red....... 5 5. Vertex with strongly developed posterolateral angles, rounded rectangular in front view to head (Fig. 59); sparsely punctate, with punctures mostly more than puncture diameter apart. T1 indistinctly punctate, with a few very fine punctures (Fig. 88).
Pygidium equal or slightly narrower than hind basitarsus. Body length 7.0–10.0 mm.............. S. monilicornis (Kirby) - Vertex with weakly developed posterolateral angles, uniformly rounded along posterior margin in front view to head (Fig. 60);
densely punctate, with punctures mostly less than a puncture diameter apart. T1 distinctly punctate, with numerous coarse and
fine punctures (Fig. 89). Pygidium 1.7 times narrower than hind basitarsus. Body length 7.0–11.0 mm S. nippon Meyer 6. Pygidium wider than hind basitarsus, usual matt (Figs 67, 69). Scutum densely punctate, with punctures usual less 2 diameters
apart. Bigger species: body length 7.0–11.0 mm 7 - Pygidium equal or narrower than hind basitarsus, shiny (Fig. 68). Scutum usually sparsely punctate, disc medially with punc-
tures more 2 diameters apart. Smaller species: body length 4.0–9.0 mm........................................ 10 7. Pygidium 1.6–1.7 times wider than hind basitarsus. Genal area 1.2 times narrower than eye in lateral view. Scutum densely
punctate, with punctures mostly about a puncture diameter apart or less (Fig. 78). Body length 7.5–10.0 mm..............
.................................................................................. S. laticaudatus Tsuneki - Pygidium 1.2–1.5 times wider than hind basitarsus. Genal area more than 1.4 times narrower than eye (in lateral view). Scutum
sparsely punctate, medially with punctures usually 1–2 diameters apart (Fig. 81).................................. 8 8. Vertex without longitudinal carina.—Head strongly transverse, 1.25–1.35 times wider than long. T2 on basal half usual (but
not always) distinctly punctate. Basal part of propodeum (propodeal triangle) usual with longitudinal-curved wrinkles, rarely
reticulate-rugose. Pygidium 1.3–1.5 times wider than hind basitarsus. Body length 7.0–11.0 mm....... S. pellucidus Smith - Vertex with longitudinal carina......................................................................... 9 9. Head weakly transverse, 1.16–1.24 times wider than long (Fig. 61). T2 on basal half usually distinctly punctate, with fine and
relatively dense punctures. Basal part of propodeum (propodeal triangle) reticulate-rugose (Fig. 71). Pygidium 1.2–1.4 times
wider than hind basitarsus. Body length 7.0–9.0 mm S. orientalis Astafurova et Proshchalykin, sp. nov. - Head strongely transverse, 1.25–1.32 times wider than long (Fig. 63). T2 usually (but not always) indistinctly punctate, with a
few or sparse very fine punctures. Basal part of propodeum (propodeal triangle) usually with longitudinal-winding wrinkles
(Fig. 72), rare reticulate rugose. Pygidium 1.3–1.5 times wider than hind basitarsus. Body length 7.0–9.0 mm
..................................................................................... S. simillimus Smith 10. Mandible unidentate (without an inner tooth)............................................................. 11 - Mandible bidentate.................................................................................. 12 11. Head weakly transverse, 1.07–1.18 times wider than long (Fig. 57). F3 transverse.—Clypeus (at least in lower half) with punc-
tures about a puncture diameter apart. Scutum with punctures 1–3 diameters apart, sometimes denser or sparser. T2–T3 usual
indistinctly punctate. Body length 4.0–6.0 mm............................................... S. longulus Hagens - Head strongly transverse, 1.2–1.3 times wider than long (Fig. 62). F3 square.—Clypeus with puncture about or less a puncture
diameter apart. Scutum with punctures 1–3 diameters apart, sometimes denser or sparser. T2–T3 on basal half usual distinctly
punctate (in Westpalaearctic specimens). Body length 5.0–7.0 mm............................ S. puncticeps Thomson 12. Clypeus densely punctate, with punctures less puncture diameter apart......................................... 13 - Clypeus sparsely punctate, with punctures about puncture or more diameter apart (Figs 56, 58)...................... 15 13. Pygidium equal hind basitarsus. Clypeus between punctures smooth. Pronotum between dorsal and lateral surfaces with sharp
angle. Basal part of propodeum (propodeal triangle) distinctly reticulate rugose (Fig. 70).—Head transverse, about 1.25 wider
than long. Scutum with punctures mostly 2–3 diameters apart (Fig. 80). Body length 5.0–8.0 mm....... S. okuyetsu Tsuneki - Pygidium 0.65–0.7 hind basitarsus. Clypeus between punctures smooth or shagreened. Pronotum between dorsal and lateral
surfaces rounded, not angulated. Basal part of propodeum (propodeal triangle) longitudinally-winding (Fig. 73) or reticulate
rugose............................................................................................ 14 14. Ventral part of thorax densely and finly smoothed sculptured, matt (Fig. 83).—Head transverse, about 1.2 wider than long.
Scutum with punctures 1–3 or sometimes more diameters apart. Body length 5.0–7.5 mm............ S. hyalinatus Hagens – Ventral part of thorax sparsely and coarsely rugose, shiny (Fig. 84).—Head transverse, about 1.25 wider than long. Scutum
with punctures 1–4 diameters apart (Fig. 77). Body length 6.0–9.0 mm
.................... S. ferruginatus Hagens and S. tanoi Tsuneki (famales of this species are very difficult to distinguish). 15. F3 transverse, as long as F1 (Fig. 85). Pygidium as wide as hind basitarsus.—Head transverse, 1.15 wider than long. Labrum
semicircular, 0.5 times as long as width. Scutum sparsely punctate, with punctutres 1–4 diameters apart. Body length 4.0–6.0
mm S. miniatus Hagens - F3 square, longer than F1 (Figs 55, 56). Pygidium narrower than hind basitarsus................................. 16 16. Head strongly transverse, 1.25 wider than long (Fig. 55). Labrum trapezoidal, 0.7 times as long as width. Hind femur strongly
enlarged on proximal half, with maximal width 0.4 times as length (Fig. 53).—Scutum sparse punctate, with fine punctutres
2–6 (sometimes more) diameters apart (Fig. 75). Pygidium 1.4–1.5 times narrower than hind basitarsus. Body length 5.0–8.0
mm................................................................................ S. crassus Thomson - Head weakly transverse, 1.1 wider than long (Fig. 56). Labrum semicircular, 0.5 times as long as width. Hind femur weakly
enlarged on proximal half, with maximal width 0.35 times as length (Fig. 53).—Scutum sparse punctate, with punctutres 2–4
diameters apart (Fig. 79). Pygidium 1.2–1.4 times narrower than hind basitarsus. Body length 4.5–6.5 mm...............
................................................................................... S. geoffrellus (Kirby)
Males
1. Hind wing with 7–14 hamuli. T1 with distinct coarse or fine punctures (in S. monilicornis sometimes with indistinct punctures). Gonocoxite without impression. Usually large species: body length 7.0–12.0 mm............................ 2 - Hind wing with 5–6 hamuli. T1 with indistinct fine punctures or impunctate. Gonocoxite with impression or without one. Large or small species................................................................................ 6
description: Published as part of Astafurova, Yulia V. & Proshchalykin, Maxim Yu., 2014, The bees of the genus Sphecodes Latreille 1804 of the Russian Far East, with key to species (Hymenoptera: Apoidea: Halictidae), pp. 501-528 in Zootaxa 3887 (5) on pages 523-524, DOI: 10.11646/zootaxa.3887.5.1, http://zenodo.org/record/251121