Arge Melanochra
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''Arge melanochroa'' is a species of the family
Argidae Argidae, commonly known as the argid sawflies, is a large family of sawflies, containing some 800 species worldwide, primarily in tropical regions. The larvae are phytophagous, and commonly can be found feeding (and often pupating) in groups, tho ...
, subfamily
Arginae Arginae is a subfamily of argid sawflies in the family Argidae. There are about 12 genera and more than 400 described species in Arginae. Genera These 12 genera belong to the subfamily Arginae: * '' Antargidium'' Morice, 1919 * ''Arge'' Schran ...
.


Description

The adults grow up to long and can be encountered from May to July.Commanster.eu
/ref> The head, the antennae and the thorax are black, while the abdomen is reddish orange. Femurs are black and tibiae are yellow. This species is very similar to ''
Arge cyanocrocea ''Arge cyanocrocea'', the bramble sawfly, is a species of sawflies of the family Argidae, subfamily Arginae. Distribution These sawflies are present in most of Europe, in the Caucasus, in Asia Minor and in Japan. Description The adults of ''Arg ...
'', but in ''A. melanochroa'' the front wings have just a dark spot in proximity of the stigma, while the distal half (the apex) of the wings is transparent. This sawfly can also be confused with '' Athalia rosae'' (
Tenthredinidae Tenthredinidae is the largest family of sawflies, with well over 7,500 species worldwide, divided into 430 genera. Larvae are herbivores and typically feed on the foliage of trees and shrubs, with occasional exceptions that are leaf miners, stem ...
), but in ''Arge melanochroa'' the antennae are composed of three sections, the third of which is greatly elongated, while in ''Athalia rosae'' the antennae are composed of 10–11 items.


Distribution

This sawfly is present in
Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
.


Ecology

Adult feed on nectar and pollen of ''
Apiaceae Apiaceae () or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus ''Apium,'' and commonly known as the celery, carrot, or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering p ...
'' (mainly ''
Heracleum sphondylium ''Heracleum sphondylium'', commonly known as hogweed or common hogweed, is a herbaceous perennial plant in the carrot family Apiaceae, which includes fennel, cow parsley, ground elder and Heracleum mantegazzianum, giant hogweed. It is native to m ...
'' and ''
Laserpitium latifolium ''Laserpitium latifolium'', common name broad-leaved sermountain, is an herbaceous perennial plant in the genus ''Laserpitium'' of the family Apiaceae. Description ''Laserpitium latifolium'' reaches an average height of . The inflorescence has ...
''), while larvae feed on ''
Crataegus ''Crataegus'' (), commonly called hawthorn, quickthorn, thornapple, Voss, E. G. 1985. ''Michigan Flora: A guide to the identification and occurrence of the native and naturalized seed-plants of the state. Part II: Dicots (Saururaceae–Cornacea ...
'' species.


References


Biolib

Fauna Europaea
{{Taxonbar, from=Q4789220 Argidae Insects described in 1790 Taxa named by Johann Friedrich Gmelin