Overview

Distribution

Range Description

The species is an European endemic. It occurs in western Europe from the south of Spain until the south of the Netherlands (M. Schwarz and P. Rasmont pers. comm. 2014, J. Smit pers. obs. 2014), in central Europe from the south of Italy into Germany (Amiet et al. 2007, M. Schwarz pers. comm. 2014) and eastwards until Hungary and Slovakia (Schwarz et al. 1996, Jozan 2011, M. Schwarz and J. Straka pers. comm. 2014), and in a few localities in the Balkan Peninsula, including Romania, Serbia and Greece (Grace 2010, M. Schwarz and B. Tomozei pers. comm. 2014). The extent of occurrence (EOO) is 2,440,415 km2 and the area of occupancy (AOO) is 316 km2.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology

The species is a brood parasite of other bees, Andrena combinata is probable a host (Stoeckhert 1941, Stoeckhert 1954, Kocourek 1966, Standfuss and Schwarz 2007). The species is univoltine (it has one generation per year) flying from the end of May to the beginning of July.

The habitat of the host is dry open grasslands, mostly on south exposed slopes (Westrich 1989).


Systems
  • Terrestrial
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Nomada piccioliana

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2014

Assessor/s
Smit, J.

Reviewer/s
Roberts, S. & Nieto, A.

Contributor/s
Schwarz, M.

Justification

Global and European regional assessment: Least Concern (LC)
EU 27 regional assessment: Least Concern (LC)

Listed as Least Concern in view of its wide distribution and presumed large overall population. However the species is declining in some countries, and is threatened by changes in agricultural practice, particularly through intensification in management of grassland as it may reduce the area of suitable habitat and floral resource availability for the host.

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Population

Population
Populations are small and this species seems to be in decline in a number of countries.

Population Trend
Decreasing
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Threats

Major Threats

Changes in agricultural practice, particularly through intensification in management of grassland may reduce the area of suitable habitat and floral resource availability for the host.

The host is also in decline or extinct in a number of countries.
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Management

Conservation Actions

Conservation Actions

This species is included in the National Red Lists or Red Data Books of the following three European countries: Czech Republic (Regionally Extinct; Farkac et al. 2005), Germany (Vulnerable; Westrich et al. 2011) and Netherlands (Regionally Extinct; Peeters and Reemer 2003).

It is not known if it occurs in protected areas.

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