The Trichoptera of Panama X. The Quebrada Rambala drainage, with description of 19 new species of microcaddisflies (Trichoptera: Hydroptilidae) Harris, Steven C. Armitage, Brian J. Insecta Mundi 2019 2019-05-31 707 707 1 54 Harris and Armitage Harris and Armitage 2019 [192,839,892,916] Insecta Hydroptilidae Ochrotrichia Animalia Trichoptera 17 16 Arthropoda species kondratieffi sp. nov.   Fig. 20   Diagnosis.Based on the divided tenth tergum, this species is placed in the  O. aldamagroup of Flint (1972), with some similarity to  O. avisBueno-Soria and Holzenthal,  O. bicaudataBueno-Soria and Santiago-Fragoso, and  O. quebradaBueno-Soria and Holzenthal. The new speciesis separated on the basis of the spinose left side of the tenth tergum, which has a basal process, and the thin, elongate right side of the tergum.   Male.Length 2.0 mm, antennae broken, brown in alcohol. Abdominal segment VII and VIII annular, the former with short posteroventral process. Segment IX in lateral view posteriorly sinuate, tapering anterodorsally; square ventrally, rounded anteriorly, sinuate posteriorly; dorsally incomplete. Tergum X divided into three processes, two of which are elongate, right side process narrow over length, twisting inward subapically, left process widening subapically, apex divided into several sharp spines, base of left side with thin process tapering apically; in lateral view, upper process, thin and elongate, lower process thicker with bifid apex. Inferior appendages in lateral view thin and elongate, widening near midlength, apex rounded, numerous peglike setae on inner posterior and ventral margin; in dorsal and ventral views narrow, gradually tapering to acute apex, numerous peglike setae on mesal margins. Phallus thin and elongate, apically with pair of small lobes.  Female.Unknown.   Type material.   Holotype, male— Panama, Bocas del Toro Province, tributary of Quebrada Rambalaat 2 ndfootbridge, Rambala Jungle Lodge, 8.91627°Nand 82.15469°W,  134 m,  March 28, 2015, E. Carlson.   Etymology.We take great pleasure in naming this species for our colleague Dr. Boris C. Kondratieff, Director of the C.P. Gillette Museum of Arthropod Diversity, Colorado StateUniversity, in recognition of his lifetime of work on aquatic insects in the Neotropics. 2565952451 2015-03-28 E. Carlson Panama 134 8.91627 Rambala Jungle Lodge 1 -82.15469 Quebrada Rambala 17 16 1 1 Bocas del Toro holotype