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[4] [9] Chrome chalcedony (unlike chrysoprase) may also contain tiny black specks of chromite. [3] Chrome chalcedony is (together with agate, carnelian, chrysoprase, heliotrope, onyx and others) a variety of chalcedony. This is a cryptocrystalline form of silica, consisting of fine intergrowths of the minerals quartz and moganite. [1]
Depressaria prospicua is a moth in the family Depressariidae.It was described by Edward Meyrick in 1914. It is found in South Africa. [1] [2]The wingspan is 19–20 mm. The forewings are whitish ochreous, tinged here and there with brownish, with some scattered blackish specks and with a blackish-grey spot on the base of the costa, its edge marked with a black dot above the middle of the wing ...
The bottom of a window frame sits on top of the window sill of the wall opening. [1] A window sill may span the entire width of a wall from inside to outside, as is often the case in basic masonry construction, making it visible on both the interior and exterior of the building. In such a case, the exterior window sill and interior window sill ...
Antemedial, postmedial and marginal series of black specks, the first two curved and the first obsolescent. Hindwings ochreous, suffused with fuscous, especially on the outer area. Underside with disk of forewing and whole of hindwing except the costa and inner margin clothed with golden silvery scales. Costa of forewing with a postmedial black ...
There are often black specks present on the upper dorsum. The gills and rhinophores are white, with two orange bands. It is similar to Hypselodoris bertschi and has been confused with this species in the past. This species can reach a total length of at least 20 mm and has been observed feeding on yellow sponges from the genus Luffariella. [3] [6]
Head, thorax and forewings are pale reddish brown. Abdomen pale with dorsal tufts small. Forewings with a copper tinge. The sub-basal, antemedial and postmedial line are more prominent and less waved. There are some black specks beyond the sub-basal line. The tail of the "Y-mark" detached from the arms. The patch and black specks on outer ...
Indistinct obliquely waved fuscous antemedial and medial lines, the latter on hindwing embracing the black discocellular spot. Both wings with waved postmedial line, with fuscous marks beyond it above middle of forewings and above inner margin of each wing. There is a sub-marginal fuscous marks series and a marginal black specks series. [3]
A marginal black specks series also present. Hindwings are fuscous brown where the base and a diffused medial irregular band are pale. An ochreous patch with black striæ on it at center of outer margin. Cilia pale. Ventral side pale with fuscous submarginal band towards inner margin of each wing. [3]