SELECT p.first_name AS contributor_first,p.last_name AS contributor_last,p2.first_name AS enterer_first,p2.last_name AS enterer_last,t.* FROM people p,people p2,samples t,register t2 WHERE t.contributor_no=p.person_no AND t.enterer_no=p2.person_no AND t.sample_no=t2.sample_no AND genus='Paracercion' AND species='calamorum' GROUP BY t.sample_no The Ecological Register: Paracercion calamorum
Paracercion calamorum (odonate)

Abundance: 2.29 to 5.86%

Habitats: temperate wetland (2) only

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Found in two samples

Japan: Lake Izunuma-Uchinuma (May), Lake Izunuma-Uchinuma (June)

See also Paracercion, Paracercion hieroglyphicum, Paracercion plagiosum, Paracercion sieboldii