''Phyllonorycter grewiaephilos'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family

Gracillariidae Gracillariidae is an important family of insects in the order Lepidoptera and the principal family of leaf miners that includes several economic, horticultural or recently invasive pest species such as the horse-chestnut leaf miner, ''Cameraria ...

. It is found in the

Rift Valley A rift valley is a linear shaped lowland between several highlands or mountain ranges created by the action of a geologic rift. Rifts are formed as a result of the pulling apart of the lithosphere due to extensional tectonics. The linear dep ...

and

Tsavo National Park Tsavo National Park may refer to: * Tsavo East National Park Tsavo East National Park is one of the oldest and largest parks in Kenya at 13,747 square kilometres. Situated in a semi-arid area previously known as the Taru Desert it opened in ...

Kenya ) , national_anthem = "Ee Mungu Nguvu Yetu"() , image_map = , map_caption = , image_map2 = , capital = Nairobi , coordinates = , largest_city = Nairobi , ...

. The habitat consists of savannah areas at altitudes between 470 and 920 meters. The length of the forewings is 2.7–2.9 mm. The forewings are elongate and the ground colour is ochreous brown with white markings. The hindwings are dirty white with a slight golden shine. Adults are on wing from early February to mid-April. The

larva A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The ...

e feed as

leaf miner A leaf miner is any one of numerous species of insects in which the larval stage lives in, and eats, the leaf tissue of plants. The vast majority of leaf-mining insects are moths (Lepidoptera), sawflies (Symphyta, the mother clade of wasps), ...

s on ''

Grewia villosa ''Grewia villosa'' is a shrub, often scrambling and hardly exceeding 4 m in height. Leaves are fairly large, serrated and heart-shaped. It grows naturally, mainly in dry habitats. It is common in most of the semi-arid parts of Eastern Africa but ...

''. The mine has the form of a tentiform mine, which is either elongate or oval. It is made on the underside of the leaf. The mine is 11–16 mm long and opaque creamy or light brown in colour. The

frass Frass refers loosely to the more or less solid excreta of insects, and to certain other related matter. Definition and etymology ''Frass'' is an informal term and accordingly it is variously used and variously defined. It is derived from the ...

is loosely scattered. Pupation takes place without cocoon.

Etymology

The specific name is composed of the host plant genus ''

Grewia ''Grewia'' is a large flowering plant genus in the mallow family Malvaceae, in the expanded sense as proposed by the Angiosperm Phylogeny Group. Formerly, Grewia was placed in either the family Tiliaceae or the Sparrmanniaceae. However, these ...

'' and the Greek name ''philos'' (meaning friend).

References

Endemic moths of Kenya Moths described in 2012 grewiaephilos Moths of Africa Taxa named by Jurate de Prins Leaf miners {{Phyllonorycter-stub