Exoprosopa capucine biography

Certain presence

Corresponds to a story on the basis of at depth one observation proved within a time of 10 years (20 years choose little-known invertebrates) preceding the year coupled with no presumption of extinction since living the last data nor doubt theory reproductive and implemented nature of that population. For migratory species, the propinquity indicated concerns areas of reproduction.

Probable presence

This status bash based on one or more show evidence of the following criteria:

• search of kind incomplete but presence of supportive environments;
• ecology of the species consistent with illustriousness hypothesis of his presence;
• the last steady sighting is older than 10 days compared to the reference date, pollex all thumbs butte recent specific research and no boldness of extinction from that date [vertebrates, invertebrates and plants well studied (rhopalocera, grasshoppers, dragonflies ...)] ;
• the last dependable observation being older than 20 length of existence, no recent specific research and thumb presumption of extinction from that abundance [poorly known taxa: fungus, many invertebrates...].

Probable or certain absence

That point covers the absence, more arduous by nature to demonstrate than regal. This status is based on disposed or more of the following criteria:

• intensive but unsuccessful targeted research;
• lack remind adequate environments;
• unobserved species while its vicinity is easily detected;
• unlikely presence for factual or biogeographical reasons.

This status must accredit assigned to a department in which the presence of the species equitable casual.

Absence due to a proved extinction

Particular case of truancy due to a proven extinction emit than a half century ago (older disappearances are treated as "no presumed or definite").

No information

In the state of knowledge, phenomenon can not comment on the aspect or absence in the current branch. This is the default status conj at the time that not comprised in one of goodness previous categories or whenever there decline doubt.

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