The historical interpretation of those links remains uncertain, but the material provides new information about the routes through which insect specimens entered the university museum. The findings were reported as a collection-based taxonomic note rather than a field study or controlled biological experiment. The investigators examined museum specimens, their labels, historical identifications and associated collection data, then compared the resulting taxa with established classifications and published information on the species and subspecies.

The systematic list followed the treatments of Lamas, Miller, and Moraes and Duarte, with minor modifications. Each taxon was accompanied by a brief comment on its history, distribution, biology or taxonomic position. Because the work centers on preserved specimens and incomplete collection records, it can clarify museum holdings but cannot reconstruct the original size, composition or precise route of every historic collection.

Niepelt, born in Striegau, now Strzegom, in 1862, built a successful business selling entomological supplies and insects, particularly material collected in expeditions or obtained from collectors in other regions, principally South America. He also became an active Lepidoptera author and described new taxa. His commercial specimens commonly carried preprinted labels, often in black ink, with “Collection Niepelt” at the bottom and a border enclosing space for the taxon and place of origin.

Between 1932 and 1936, he donated about 13,000 Lepidoptera specimens from South America, Asia and Africa to the University of Wrocław while still alive. Other material entered the museum through purchases or larger collections acquired before or after that principal donation. The newly located material comprises Synpalamides fabricii, Yagra fonscolombe, Imara pallasia, Synpalamides phalaris, Castnia invaria trinitatis, Telchin evalthe quadrata, Telchin licus, Ceretes thais and Prometheus heliconioides.

Several specimens preserve older genus-group names that differ from the modern classification. These label histories illustrate why direct examination and updated taxonomic work are important in historically assembled insect collections. The nine taxa also document widely different geographic and ecological scopes.

S. fabricii is found almost exclusively in southeastern and southern Brazil, principally in Atlantic Forest areas during December through February, and its larvae are known to feed on the bromeliad Tillandsia aeranthos. S. phalaris is highly variable and ranges from southeastern Brazil, Argentina, Paraguay and Bolivia to French Guiana, Trinidad and Tobago, and Venezuela. It is probably bivoltine, and egg-laying has been observed on Guzmania and Bromelia bromeliads; populations at the southern end of its range have also been associated with pineapple and banana crops.

I. pallasia, by contrast, is restricted to southeastern Brazil, where it has been recorded in primary or cloud forest together with I. satrapes. Other members of the newly found set are common crop associates or have uncertain taxonomic limits. T. licus is perhaps the most common species in the family, is highly variable, and is often associated with sugarcane.

It has also been described as a secondary pest of plantains and bananas. Because the taxonomy of its named subspecies is confused, the authors prefer to treat the species as monotypic until a more detailed assessment clarifies its infraspecific structure. T. evalthe quadrata was named from specimens collected in Peru and Ecuador and differs mainly from T. evalthe evalthoides in subtle external features.

The authors state that this group warrants full morphological and molecular study to clarify its taxonomic composition, although no such new analysis was conducted in the collection note. C. thais is a sexually dimorphic species commonly found in southern Brazil, with its range also including the northern Argentinian province of Misiones and possibly Paraguay; a Bolivian record may be incorrect, and almost nothing is known about its biology and ecology. P. heliconioides is readily recognized by a color pattern resembling species in the butterfly genera Lycorea, Thyridia and Methona, as well as the moth Notophyson heliconides.

The authors suggest that these species could form part of a mimetic ring, but they do not establish that function experimentally. The Wrocław specimen was recorded from Tefé in Amazonas. Its several purported subspecies also require morphological and molecular study to determine their status.

A female T. licus specimen carried the usual Niepelt label together with another inscription reading “Peru Weberbauer S.G.” The meaning of the initials is not certain: “S.G.” might refer to the German terms Sammlung Gekauft, meaning bought collection, or Sammlung Gespendet, meaning donated collection. August Weberbauer, born in Breslau, now Wrocław, was a naturalist, biologist and botanist who made expeditions to Peru before accepting a permanent position there in 1908. The researchers suggest that August may have kept the family collection and sold it to Niepelt before leaving for Peru, after which Niepelt could have transferred it to the university.

This proposed pathway is presented as a possibility, not an established provenance chain. The S. phalaris specimen supplied another possible historical connection. Its label bears the number 1547 and the name “Lauterbach,” leading the authors to attribute it tentatively to Karl Adolf Georg Lauterbach.

Lauterbach, also born in Breslau, earned a doctorate in botany from the University of Heidelberg in 1889 and traveled with Russian biologist Vladimir Shevyakov through the United States, Hawaii, New Zealand, Australia and Java. He subsequently visited the Solomon Islands and New Guinea, returned to Germany in 1891 and led another expedition to the Bismarck Mountains in 1896, where he explored the previously unknown Ramu River. After serving as director of the Neu-Guinea Compagnie, he returned in 1907 to his estate at Stabelwitz, where he maintained exotic plants in a greenhouse.

Lauterbach’s will transferred his collections to the University of Wrocław after his death in 1937. His major botanical holdings included a herbarium of more than 50,000 sheets, and the donated material also contained shells, insects and birds. Because Lauterbach never traveled to South America, the researchers infer that he did not collect the Brazilian S. phalaris specimen himself; it could instead have been purchased or acquired through exchange with another collector.

They interpret 1547 as probably an inventory number, suggesting that more than 1,500 Lepidoptera specimens may have been included in the donation. The surviving evidence does not establish which species were present or how extensive the original collections were, leaving the exact institutional history of these insects as a subject for additional museum research.

Subject of Research: A taxonomic review of 18 Castniidae specimens in the University of Wrocław museum collection and their possible historical collecting associations

Article Title: Castniidae of the Museum of Natural History of the University of Wrocław: new findings from Friedrich Wilhelm Niepelt’s collection with comments on Karl Adolf Georg Lauterbach and August Weberbauer

Article References: González, J. M., & Domagała, P. J. (2021). Castniidae of the Museum of Natural History of the University of Wrocław: new findings from Friedrich Wilhelm Niepelt’s collection with comments on Karl Adolf Georg Lauterbach and August Weberbauer. Nota Lepidopterologica, 44, 123-132. https://doi.org/10.3897/nl.44.60261

Image Credits: AI Generated

DOI: 10.3897/nl.44.60261

Keywords: Castniidae, butterfly-moths, Lepidoptera, museum collections, University of Wrocław, Friedrich Wilhelm Niepelt, August Weberbauer, Karl Lauterbach, entomology, taxonomy, specimen labels, natural history