Pourquoi les polistes sont-elles si difficiles à identifier ?
Celle-ci était frigorifiée sur mon pas de porte. J'ai pu la photographier sous tous les angles avant de lui fiche la paix.
Catherine Reymonet : France : Peyrelevade : 19290 : 09/09/2024
Altitude : 801 m - Taille : 11-12 mm
Réf. : 348701
Catherine Reymonet : France : Peyrelevade : 19290 : 09/09/2024
Altitude : 801 m - Taille : 11-12 mm
Réf. : 348702
Je bute presque dès le début de
la clé :
9. Malar space mainly yellow and connected to yellow ventral part of temple (a); mandible usually black (b), if mandible with yellow patch then total yellow area smaller than yellow area of malar space and temple;
clypeus somewhat wider than high medially (c); hind
coxa black dorsally (d);
dominula-group
10. Specimens from Europe (excluding Crete) and NW Africa
11.
Transverse yellow band of
pronotum narrower medio-laterally than dorso-laterally near junction with oblique yellow stripes of
pronotum (a), rarely narrowed dorso-laterally and slightly widened below it and then mesoscutum usually without yellow markings (d);
scapus more or less dark brown or blackish baso-ventrally (b),
apical half of hypopygium often entirely black or dark brown (c), sometimes with small yellow spot, rarely
apical quarter of
hypopygium yellow;
mesoscutum usually without
paired yellow spots (d) but
sometimes minute, or medium-sized (dd);
apical half of antenna more or less darkened dorsally (e); Europe and Palaearctic Asia =>
P. nimpha
ou
Transverse yellow band of pronotum as wide medio-laterally as dorsolaterally or wider (aa; rarely narrowed medio-laterally and slightly widened below it)
and mesoscutum usually with two yellow spots (dd);
scapus entirely yellow baso-ventrally (bb), rarely slightly infuscate; colour of
apical half of
hypopygium variable, often entirely yellow or apically brownish (cc),
rarely entirely black;
mesoscutum with paired yellow spots usually medium-sized to large (dd),
rarely minute or absent;
apical half of antenna evenly orange or yellow dorsally (ee), but more or less infuscate in
P. associus
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