Gerris (Gerris) costae costae (Herrich-Schaeffer, 1850)

Hydrometra costae Herrich-Schaeffer, 1850: 71. ST(S): Germany.

Gerris (Limnotrechus) lateralis var. costae ab. derubra Puschnig, 1925: 92. STS: male, female, Austria, Kärnten.

Gerris costai Wagner & Zimmermann, 1955: 184. Incorrect spelling.

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