costalis (Coquillett)

Rhicnoessa costalis Coquillett, 1901a: 378 .

Parodinia costalis: Coquillett 1902b: 187 [generic combination in footnote]; Malloch 1913a: 276 [remarks].

Diastata costalis: Curran 1932: 355 [records]; Curran 1934: 162 [records].

Trixoscelis costalis: Melander 1913: 296 [generic combination]; Melander 1952: 44 [remarks]; Linsley & Usinger 1966: 170 [checklist]; Gill 1968: 7 [catalogue]; Foster & Mathis 2012: 21 [revision].

Distribution. Endemic. Galápagos: Española, Floreana, Genovesa, Isabela, Marchena, San Cristóbal, Santa Cruz, Santa Fé.

Remarks. Adults of this species (Fig. 23) were collected on intertidal rocks and the arid zone.