The juniper pug or juniper looper (''Eupithecia pusillata'') 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 ...
of the family
Geometridae
The geometer moths are moths belonging to the family Geometridae of the insect order Lepidoptera, the moths and butterflies. Their scientific name derives from the Ancient Greek ''geo'' γεω (derivative form of or "the earth"), and ''metr ...
. The species was
first described by
Michael Denis
Johann Nepomuk Cosmas Michael Denis, also: ''Sined the Bard'', (27 September 1729 – 29 September 1800) was an Austrian Catholic priest and Jesuit, who is best known as a poet, bibliographer, and lepidopterist.
Life
Denis was born at Schärd ...
and
Ignaz Schiffermüller
Ignaz Schiffermüller (born 2 October 1727 in Hellmonsödt; died 21 June 1806 in Linz) was an Austrian naturalist mainly interested in Lepidoptera.
Schiffermüller was a teacher at the Theresianum College in Vienna. His collection was present ...
in 1775. It is found throughout the
Palearctic
The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa.
The realm consists of several bioregions: the Euro-Si ...
and in the
Nearctic
The Nearctic realm is one of the eight biogeographic realms constituting the Earth's land surface.
The Nearctic realm covers most of North America, including Greenland, Central Florida, and the highlands of Mexico. The parts of North America ...
.
Subspecies ''E. p. interruptofasciata'' is sometimes treated as a valid species ''Eupithecia interruptofasciata''.
The forewings are greyish brown often with two distinctive black cross bands. The
wingspan
The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan ...
is . It is relatively contrastingly coloured, with marked, light and dark cross-bands and short black longitudinal lines. It often lacks a black spot in the middle of the wing (discal spot). It is extremely variable but generally easy to recognize by the acutely angulated antemedian line, the whitish patch between discal dot and the postmedian and dark dashes proximally to the postmedian — ''graeseriata'' Ratzer (= ''latoniata'' Mill.) is larger and greyer is in general more weakly marked but very variable (Swiss Alps). — ''anglicata'' H-Sch. from the chalk cliffs of Kent, is a whitish grey form of rather characteristic appearance. — ''scoriata Stgr''. from Iceland, is a dark, weakly-marked form.
[Prout, L. B. (1912–16). Geometridae. In A. Seitz (ed.) ''The Macrolepidoptera of the World''. The Palaearctic Geometridae, 4. 479 pp. Alfred Kernen, Stuttgar]
The larva has a number of short brushes and numerous small white warts. The body is green, along the back it has either a simple, dark back strip or a variety of bell-shaped, dark brown spots.
The adults fly at night from July to September, and are attracted to light.
In the
Old World
The "Old World" is a term for Afro-Eurasia that originated in Europe , after Europeans became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia, which were previously thought of by th ...
, the larva feeds on ''
Juniperus
Junipers are coniferous trees and shrubs in the genus ''Juniperus'' () of the cypress family Cupressaceae. Depending on the taxonomy, between 50 and 67 species of junipers are widely distributed throughout the Northern Hemisphere, from the Arcti ...
'' (juniper) and some other
conifer
Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All ex ...
s in the
cypress
Cypress is a common name for various coniferous trees or shrubs of northern temperate regions that belong to the family Cupressaceae. The word ''cypress'' is derived from Old French ''cipres'', which was imported from Latin ''cypressus'', the la ...
family such as ''
Chamaecyparis
''Chamaecyparis'', common names cypress or false cypress (to distinguish it from related cypresses), is a genus of conifers in the cypress family Cupressaceae, native to eastern Asia ( Japan and Taiwan) and to the western and eastern margins of ...
'' and ''
Thuja
''Thuja'' ( ) is a genus of coniferous tree or shrub in the Cupressaceae (cypress family). There are five species in the genus, two native to North America and three native to eastern Asia. The genus is monophyletic and sister to '' Thujopsis'' ...
''. In the
New World
The term ''New World'' is often used to mean the majority of Earth's Western Hemisphere, specifically the Americas."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: Oxford University Press, p. ...
, there is a greater range of recorded food plants including
apple
An apple is an edible fruit produced by an apple tree (''Malus domestica''). Apple trees are cultivated worldwide and are the most widely grown species in the genus '' Malus''. The tree originated in Central Asia, where its wild ances ...
,
clover
Clover or trefoil are common names for plants of the genus ''Trifolium'' (from Latin ''tres'' 'three' + ''folium'' 'leaf'), consisting of about 300 species of flowering plants in the legume or pea family Fabaceae originating in Europe. The genus h ...
,
raspberry
The raspberry is the edible fruit of a multitude of plant species in the genus ''Rubus'' of the rose family, most of which are in the subgenus '' Idaeobatus''. The name also applies to these plants themselves. Raspberries are perennial with ...
,
redcurrant,
strawberry
The garden strawberry (or simply strawberry; ''Fragaria × ananassa'') is a widely grown hybrid species of the genus '' Fragaria'', collectively known as the strawberries, which are cultivated worldwide for their fruit. The fruit is widely a ...
,
sunflower and
willow
Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist ...
as well as juniper. The species overwinters as an
egg
An egg is an organic vessel grown by an animal to carry a possibly fertilized egg cell (a zygote) and to incubate from it an embryo within the egg until the embryo has become an animal fetus that can survive on its own, at which point the a ...
.
Subspecies
*''Eupithecia pusillata pusillata''
*''Eupithecia pusillata interruptofasciata''
Packard, 1873 (eastern United States and Canada)
*''Eupithecia pusillata kashmirica''
Mironov & Ratzel, 2008 (Pakistan)
*''Eupithecia pusillata scoriata''
Staudinger, 1857
Notes
*''The flight season refers to the
British Isles
The British Isles are a group of islands in the North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner and Outer Hebrides, the Northern Isles (O ...
. This may vary in other parts of the range.''
References
*
Chinery, Michael (1986, reprinted 1991). ''Collins Guide to the Insects of Britain and Western Europe''.
*
Skinner, Bernard (1984). ''
The Colour Identification Guide to Moths of the British Isles
''The Colour Identification Guide to Moths of the British Isles (Macrolepidoptera)'' by Bernard Skinner is a single volume identification guide to the macromoths of Britain and Ireland published by Viking Books, often referred by moth recorde ...
''.
External links
*
''Lepiforum e.V.''
Eupithecia
Moths described in 1775
Moths of Asia
Moths of Europe
Taxa named by Michael Denis
Taxa named by Ignaz Schiffermüller
{{Eupithecia-stub