Stigmella sclerostyla
Encyclopedia
Stigmella sclerostyla is a moth
of the Nepticulidae
family. It is found in Arkansas
and Ontario
.
The wingspan
is 4-4.4 mm. Adults are on wing in mid-June and early July. There are possibly two generations per year.
The larvae feed on Quercus alba. They mine the leaves of their host plant. The mine is located on the upper-surface of the leaf and is long and linear, gradually increasing in width throughout its length. The frass
is deposited centrally as a rather diffuse line.
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...
of the Nepticulidae
Nepticulidae
Nepticulidae is a family of very small moths with a worldwide distribution. They are characterised by eyecaps over the eyes . These pigmy moths or midget moths, as they are commonly known, include the smallest of all living moths, with a wingspan that can be as little as 3 mm...
family. It is found in Arkansas
Arkansas
Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...
and Ontario
Ontario
Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....
.
The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...
is 4-4.4 mm. Adults are on wing in mid-June and early July. There are possibly two generations per year.
The larvae feed on Quercus alba. They mine the leaves of their host plant. The mine is located on the upper-surface of the leaf and is long and linear, gradually increasing in width throughout its length. The frass
Frass
Frass is the fine powdery material phytophagous insects pass as waste after digesting plant parts. It causes plants to excrete chitinase due to high chitin levels, it is a natural bloom stimulant, and has high nutrient levels. Frass is known to have abundant amoeba, beneficial bacteria, and fungi...
is deposited centrally as a rather diffuse line.