Pseudomalus

Notice:

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Taxonavigation

Ordo: Hymenoptera
Familia: Chrysididae

Name

Pseudomalus Ashmead, 1902 – Wikispecies link – Pensoft Profile

• Pseudomalus Ashmead, 1902: 229.

Note

This taxon was raised to generic rank by Kimsey and Bohart (1991). It is characterised by the structure and punctation of the mesosoma: the large punctures are clumped posteriorly between the notauli on the mesoscutum (Fig. 27), and the lateroventral margin of the mesopleuron is strongly projecting ventrally, forming a sharp angle in lateral view (Fig. 28). The posterior margin of T3 is usually deeply notched medially (Figs 31, 32). Pseudomalus is a Holarctic genus with approximately 40 recognised species (Kimsey and Bohart 1991). The larvae are parasitoids of crabronid wasps of the subfamily Pemphredoninae. The European fauna consists of ten species (Rosa and Soon 2012), of which four have been found in the Nordic and Baltic countries (Paukkunen et al. 2014).

Key to Pseudomalus species of the Nordic and Baltic countries

Key to Pseudomalus species of the Nordic and Baltic countries — J. Paukkunen , A. Berg , V. Soon , F. Ødegaard , P. Rosa

1		Body entirely green to greenish-golden, violet-blue or blackish-green    2
–		Body bicoloured with greenish to bluish head and mesosoma and at least laterally red metasoma    3
2		Body entirely green or green-golden, usually with golden reflections on mesoscutum and mesoscutellum. Metascutellum sharply convex (Fig. 29). Head and mesosoma with short and sparse pubescence, setae not more than twice as long as diameter of mid-ocellus. Smaller species, body length 3–5 mm    Pseudomalus pusillus (Fabricius)
–		Body uniformly violet-blue or black-green. Metascutellum rounded (Fig. 30). Setae more than twice as long as diameter of mid-ocellus. Larger species, body length 5–7 mm    Pseudomalus violaceus (Scopoli)
3		Antenna long and slender, medial flagellomeres longer than broad (Fig. 34). Larger species, body length normally not less than 5 mm. Apical notch of T3 triangular, not deeper than broad (Fig. 31)    Pseudomalus triangulifer (Abeille de Perrin)
–		Antenna shorter, medial flagellomeres approximately as long as broad (Fig. 33). Smaller species, body length usually 3–5 mm, exceptionally up to 6 mm. Apical notch of T3 dorsally arched, as deep as or deeper than broad (Fig. 32)    Pseudomalus auratus (Linnaeus)

Taxon Treatment

• Paukkunen, J; Berg, A; Soon, V; Ødegaard, F; Rosa, P; 2015: An illustrated key to the cuckoo wasps (Hymenoptera, Chrysididae) of the Nordic and Baltic countries, with description of a new species ZooKeys, (548): 1-116. doi

Images

Figures 2–10. Tarsal claw: 2 Pseudomalus triangulifer 3 Holopyga generosa 4 Hedychrum nobile 5 Hedychridium roseum 6 Chrysis longula. Forewing: 7 Holopyga generosa 8 Hedychridium ardens 9 Pseudospinolia neglecta 10 Chrysis impressa, a and c radial sector vein, b medial vein, d medial cell.  Figure 26. Pseudomalus auratus ♀. Scale 1 mm.  Figures 27–34. Pronotum and mesoscutum, dorsal view: 27 Pseudomalus auratus ♀. Mesosoma, lateral view (arrow indicating mesopleuron): 28 Pseudomalus auratus ♀. Mesoscutellum, metanotum and propodeum, lateral view: 29 Pseudomalus pusillus ♀ 30 Pseudomalus violaceus ♀. T3, postero-dorsal view: 31 Pseudomalus triangulifer ♀ 32 Pseudomalus auratus ♀. Antenna: 33 Pseudomalus auratus ♀ 34 Pseudomalus triangulifer ♀. Scale 1 mm.