The Trichoptera of Panama XXIV. Fifteen new species and two new country records of the caddisfly genus Neotrichia (Trichoptera, Hydroptilidae), with a key to all known Panamanian species.

In this paper, 15 new species of microcaddisflies in the genus Neotrichia Morton, 1905 (Trichoptera, Hydroptilidae) from Panama are described and illustrated: Neotrichiaabrebotella sp. nov. ; Neotrichiacandela sp. nov. ; Neotrichiacodaza sp. nov. ; Neotrichiaembera sp. nov. ; Neotrichiaflennikeni sp. nov. ; Neotrichiahonda sp. nov. ; Neotrichialandisae sp. nov. ; Neotrichialenati sp. nov. ; Neotrichiamindyae sp. nov. ; Neotrichiapanamensis sp. nov. ; Neotrichiaparajarochita sp. nov. ; Neotrichiaparaxicana sp. nov. ; Neotrichiasnixae sp. nov. ; Neotrichiaspangleri sp. nov. ; Neotrichiaveraguasensis sp. nov. In addition, two new country records are presented: Neotrichiaminutisimella (Chambers, 1873) and Neotrichiavibrans Ross, 1944. Finally, the male of N.vibrans is re-illustrated, the female is illustrated and descriptive information given, and a key is provided to the males of all current Neotrichia species in Panama. There are now 45 species of Neotrichia and a total of 525 Trichoptera species recorded from Panama.