In botany, an operculum (pl.: opercula) or calyptra (from Ancient Greek καλύπτρα (kalúptra) 'veil') is a cap-like structure in some flowering plants, mosses...

The genus Calyptra is a group of moths in subfamily Calpinae of the family Erebidae. They are a member of the Calpini tribe, whose precise circumscription...

Calyptra thalictri is a moth of the family Erebidae. It is native to the area ranging from Japan and Korea to China and Malaysia, west through the Urals...

Calyptra minuticornis, the vampire moth, is a moth of the family Erebidae. It has been found in Indonesia, Java, India, Sri Lanka, and Australasia. Its...

Calyptra hokkaida is a moth of the family Erebidae. It has been found in China and Japan. The larvae length of C. hokkaido is roughly 40 millimetres (1...

Calyptra orthograpta is a moth of the family Erebidae. It has been found in China and India. It has been noted to be a relatively rare species. Beccaloni...

Calyptra is a genus of fungi in the class Dothideomycetes. The relationship of this taxon to other taxa within the class is unknown (incertae sedis). List...

Calyptra bicolor is a moth of the family Erebidae. It is found in India. It has been known to feed on humans, as well as a variety of other mammals. Beccaloni...

Calyptra canadensis, the Canadian owlet or meadow rue owlet moth, is a moth of the family Erebidae. The species was first described by Charles J. S. Bethune...

Calyptra nyei is a moth of the family Erebidae. It has been found in India. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin...

Calyptra eustrigata is a moth of the family Erebidae, found in Sri Lanka and Malaysia. It has been reported as exhibiting parasitic blood-sucking behavior...

Calyptra albivirgata is a moth of the family Erebidae first described by George Hampson in 1926. It is found in Asia, including China and Japan. Savela...

Calyptra pseudobicolor is a moth of the family Erebidae. It is found in India. It has been known to feed on humans, as well as a variety of other mammals...

Calyptra fletcheri is a moth of the family Erebidae. It has been found in China. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin...

Calyptra ophideroides is a moth of the family Erebidae. It is found in East Indies. It has been known to feed on humans, as well as a variety of other...

to Calyptra. A calyptra is a feature of plant formation. Calyptra may also refer to: Calyptra (moth), a moth genus in the family Erebidae Calyptra (fungus)...

Calyptra fasciata is a moth of the family Erebidae. It is found in India. It has been known to feed on humans, as well as a variety of other mammals. Beccaloni...

Calyptra subnubila is a moth of the family Erebidae. It has been found in Indonesia. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G...

Calyptra parva is a moth of the family Erebidae. It is found in India. It has been known to feed on humans, as well as a variety of other mammals. Beccaloni...

Paratheta calyptra is a moth in the family Cosmopterigidae. It was described by Oswald Bertram Lower in 1899. It is found in Australia, where it has been...

Calyptra gruesa is a moth of the family Erebidae. It has been found in China. C. gruesa has a wingspan range of 25 to 29 millimetres (0.98 to 1.14 in)...

Noctuoidea Family: Erebidae Genus: Africalpe Species: A. nubifera Binomial name Africalpe nubifera Hampson, 1907 Synonyms Calpe nubifera Calyptra nubifera...

Species: W. imperialis Binomial name Wolframmeyia imperialis (Grünberg, 1910) Synonyms Calpe imperialis Grünberg, 1910 Calyptra imperialis (Grünberg, 1910)...

Calyptra lata is a moth of the family Erebidae. It has been found in Japan and far-east Russia. The larvae length of C. lata is roughly 45 millimetres...

that is visible is the fused cap of petals known as the calyptra. Shortly after the calyptra is shed, liberating the pollen from the anthers of the stamen...

Yirrkala calyptra is an eel in the family Ophichthidae (worm/snake eels). It was described by John E. McCosker in 2011. It is a marine, tropical eel which...

(Fabricius, 1794) Synonyms Noctua emarginata Fabricius, 1794 Calpe emarginata Calyptra emarginata Oraesia metallescens Guenée, 1852 Oraesia alliciens Walker,...

sepals are fused to form an outer calyptra (or operculum) and the five petals an inner calyptra, the two calyptra being shed separately or together as...

cap is a type of tissue at the tip of a plant root. It is also called calyptra. Root caps contain statocytes which are involved in gravity perception...

operculum are in turn sheathed by a haploid calyptra which is the remains of the archegonial venter. The calyptra usually falls off when the capsule is mature...