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Petite punaise rousse. Tête quadrangulaire sans épine, sans sillon longitudinal, l’espace entre les yeux plus court que le bord postérieur du pronotum. Antennes de 4 articles, le 3e étant 2 fois plus long que le 2e. Le 2e et le 3e articles rouges, 4e noir. Bords latéraux presque droits, son bord postérieur sans dent. Fémurs postérieurs avec une courte dent.
Détermination :
Moyennement difficile.
Espèces proches :
Parmi les petites punaises brunes Pseudophloeinae avec un 3e article antennaire long (Arenocoris, Bathysolen, Strobilotoma), elle se distingue par sa couleur rousse, un 3e article antennaire seulement 2 fois plus grand que le 2e, et par leur couleur, les 2 étant rouges.
Période d’observation :
Avril à août, avec un pic d’observations en mai.
Biologie-éthologie :
Observée sur les trèfles, mélilots et ls luzernes (Fabaceae), mais aussi sur lamier blanc (Lamiaceae), chénopode blanc (Amaranthaceae) et des arbres comme l’aulne ou le charme (Betulaceae). Les adultes hivernent dans la litière et y pondent ou le font sur les plantes, à partir de juin-juillet, et la nouvelle génération apparait mi-août. Ils vivent au sol sous les feuilles mortes au pied de leur plante-hôte, et remontent sur celle-ci pour s’accoupler et se nourrir.
Biogéographie et écologie :
Espèce euro-sibérienne des régions continentales froides. Absente à l’ouest et au sud des régions sous influences océanique et méditerranéenne. On la rencontre dans les régions montagnardes jusqu’à 1 800 m d’altitude, Pyrénées, Arc alpin, Apennins, Monts du Pinde, Carpathes. Elle remonte au nord en Norvège, Suède et Finlande jusqu’à 62° de latitude nord. A l’est, elle va jusqu’en Sibérie. Elle vit dans les forêts et biotopes herbeux humides et frais.
The map presents a summary at the 10 x 10 km grid of the observation data for the species transmitted to the SINP. These data have been subjected to validation filters.
Distribution map from the Atlas of Departmental Biodiversity and Marine Sectors program
Current distribution in metropolitan France
The map presents a reference distribution layer of the species at the scale of departments and marine sectors. The presence and absence data were established by expertise within a network of partners. This reference distribution is used in the validation process of the SINP data at the INPN level.
Distribution map from the Atlas of Departmental Biodiversity and Marine Sectors program
Certain presence
Corresponds to a report on the basis of at least one observation proved within a period of 10 years (20 years for little-known invertebrates) preceding the year and no presumption of extinction since obtaining the last data nor doubt on reproductive and implemented nature of this population. For migratory species, the presence indicated concerns areas of reproduction.
Probable presence
This status is based on one or more of the following criteria:
search of species incomplete but presence of supportive environments;
ecology of the species consistent with the hypothesis of his presence;
the last reliable sighting is older than 10 years compared to the reference date, no recent specific research and no presumption of extinction from that date [vertebrates, invertebrates and plants well studied (rhopalocera, grasshoppers, dragonflies ...)] ;
the last reliable observation being older than 20 years, no recent specific research and no presumption of extinction from that date [poorly known taxa: fungus, many invertebrates...].
Probable or certain absence
This point covers the absence, more difficult by nature to demonstrate than presence. This status is based on one or more of the following criteria:
intensive but unsuccessful targeted research;
lack of adequate environments;
unobserved species while its presence is easily detected;
unlikely presence for historical or biogeographical reasons.
This status must be assigned to a department in which the presence of the species is casual.
Absence due to a proven extinction
Particular case of absence due to a proven extinction less than a half century ago (older disappearances are treated as "no probable or definite").
No information
In the state of knowledge, we can not comment on the presence or absence in the current department. This is the default status when not comprised in one of the previous categories or whenever there is doubt.