| OCR Text |
Show Hij'RO OPCT LON This thesis presents the results of six months of field study- and the subsequent laboratory investigations ·the mayflies (EphemeropteraJ) of Hondu ra s -as a taxonomic preliminary a s.t r.eam. GQmmuni-t-ie..s·--a·:r;-e In or-gani-sms. nymphs of tifiable of eeo10&y Although originali')'''-p'b:l'!med , to the of North America, to mayflies In is nymph the adults pleted on There are, are is to one in the fauna, in fact, no published al'though idea of 1964) that Fittkau estimated there in his no the -s-todi'e on are not are iden generic assign even virtually are nymphs. revisiona1 studies are now occurrence no Even com in progrss. of-Ephemerop on Ephemeroptera from of knowledge evident is . Ly identify the of the paucity drainage all 6f' the from the report (I1les, Ch trorromfda e 1,000 species of from the Amazon collections there several records of fauna of the American tropics (Oiptera) are only fragmentary reports Some r eadd identify the species There genus of ·Centra1 America. to uncertain and frequently any and possible South and Central America largely unknown. in Honduras stream it although they frequently genus, species. Eco Log t oa l investigation. dependent \:Ip1)ll-t-axonomi'C informati:on" o'n""t'he descriptions which enable tera taxonomy and study of habitats of the mayflies, the stbdy has been;' oEnecessty la sge Ly ment the on and that of thise, only twenty species have been previously described. The ecological factors inves-tigated. in attempting tropical streams are also The small amount of data available is of to Thi' thesis with the: in interpret observations made during reflects a-dvahtage' the of mas·t· of pioneering nature of the data repres-ent ing new un limited_v41ue this the equally study. investigation contri bu t Lons |
