- "Tortrix purpurana" redirects here. As invalidly established by A.H. Haworth in 1811, this refers to Celypha rufana.
|Adult (image by entomart.be)|
Numerous, see text
The gold triangle or clover hay moth (Hypsopygia costalis) is a species of moth of the family Pyralidae. It is found in Europe. The wingspan is 16–23 mm. The adult moths fly from May to July, depending on the location. The supposed species H. aurotaenialis is included here pending further study.
The caterpillars feed on dry vegetable matter. They have been found in haystacks or thatching, as well as in chicken (Gallus) and magpie (Pica) nests. The caterpillar is injurious to clover hay, and to other hay when mixed with clover. Its depredations can be prevented by keeping the hay dry and well ventilated, as the insect preferably breeds in moist or matted material such as is to be found in the lower parts of haystacks, where affected hay becomes filled with webbings of the caterpillars and their excrement, rendering it unfit for feeding. A treatment is to burn the webbed material and to thoroughly clean the affected location.
- Hypsopygia aurotaenialis (Christoph, 1881) (but see above)
- Hypsopygia rubrocilialis (Staudinger, 1870)
- Phalaena costalis Fabricius, 1775
- Pyralis fimbrialis Denis & Schiffermüller, 1775
- Pyralis hyllalis Walker, 1859
- Tortrix purpurana Thunberg, 1784
- Pyralis costalis
- Hypsopygia syriaca Zerny, 1914
- Pyralis unipunctalis Mathew, 1914
- Pyralis ustocilialis Fuchs, 1903
Media related to Hypsopygia costalis at Wikimedia Commons
- Grabe, Albert (1942): Eigenartige Geschmacksrichtungen bei Kleinschmetterlingsraupen ["Strange tastes among micromoth caterpillars"]. Zeitschrift des Wiener Entomologen-Vereins 27: 105-109 [in German]. PDF fulltext
- Savela, Markku (2009): Markku Savela's Lepidoptera and some other life forms – Hypsopygia. Version of 2009-APR-12. Retrieved 2010-APR-12.
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