Andrena (Micrandrena) acuta acuta WARNCKE , 1968

Kratochwil, Anselm & I, Canary, 2020, Revision of the Andrena wollastoni group (Hymenoptera, Anthophila, Andrenidae) from the Madeira Archipelago and the Canary Islands: upgrading of three former subspecies and a description of three new subspecies, Linzer biologische Beiträge 52 (1), pp. 161-244 : 175-178

Andrena (Micrandrena) acuta acuta WARNCKE, 1968

Syn. Andrena wollastoni acuta WARNCKE, 1968 p.p.

H o l o t y p e: 1♀ Tenerife, Cruz del Carmen, 950 m, 23.03.1906, collector unknown (ID-No OLML44, holotype of A. w. acuta).

P a r a t y p e s (paratypes of A. w. acuta): 1♀ Tenerife, Barranco Tahodio , 90 m, 31.03.1920, collector unknown (ID-No OLML45 ) ; 1♀ Tenerife, Las Montañas , 07.05.1900, collector unknown (ID-No OLML46 ) ; 1♀ Bajamar , 35 m, 27.03.1905 (ID-No OLML49 ) ; 1♀ Tenerife, Tahodio , 80 m, 27.03.1927, collector unknown (ID-No OLML50 ) ; 1♀ Tenerife, Cruz del Carmen , 950 m, 23.03.1906, collector unknown (ID-No OLML51 ) ; 1♀ Tenerife, Montaña de Guerra , 09.07.1928, collector unknown ( MNCN) ; 3♀♀ Tenerife, Tahodio , 21.03.1927, collector unknown ( MNCN) ; 3♀♀ Tenerife, Tahodio , 27.03.1927, collector unknown ( MNCN) ; 1♂ Tenerife, Tahodio , 90 m, 13.03.1927, collector unknown (ID-No OLML52 ) ; 1♂ Tenerife, Montaña de Guerra , 400 m, 10.02.1902, collector unknown (ID-No OLML53 ) ; 1♂ Tenerife; Monte de las Mercedes , 02.03.1952, leg. J.M. Fernandez ( ZMS) .

D i a g n o s t i c q u a l i t a t i v e f e a t u r e s: Inadditiontothemorphological characteristics that are typical for A. acuta , A. a. acuta is characterised by the following specific features:

F e m a l e: Labrum process triangular-trapezoidal (75%), triangular (17%), and liguliform (8 %) similar to A. a. wildpreti nov.ssp. (all specimens triangular-trapezoidal) but different from A. a. tenoensis nov.ssp. (triangular-liguliform, 85%; triangulartrapezoidal, 15%). Colour of the flagellum black (67%) or dark brown (33%) similar to A. a. tenoensis nov.ssp. (black/dark brown) but different from A. a. wildpreti nov.ssp. (dark brown, to the end of the flagellum light brown).

M a l e: Colour of the flagellum (light) brown similar to A. a. wildpreti nov. ssp. but different from A. a. tenoensis nov.ssp. (brown).

D i s t r i b u t i o n: The distribution of the nominal species is limited to the Anaga region of Tenerife ( Fig. 1c ). This subspecies covers altitudes mainly from 100 up to 900 m a.s.l.

F l i g h t p e r i o d: fromJanuarytoMay.

F u r t h e r s p e c i m e n s e x a m i n e d: 1♀ Tenerife , Bailadero, 700 m, 09.04.1984, leg. Hohmann (ID-No UMBB1 ) ; 2♀♀ Tenerife , Asomada, 800 m, 10.09.1983, leg. Hohmann (ID-No UMBB3 , UMBB6 ) ; 1♀ Tenerife , San Andrés, 20 m, 30.03.1983, leg. Hohmann (ID-No UMBB5 ) ; 2♀♀ Tenerife , Bailadero, 700 m, 24.03.1982 (ID-No UMBB7 , UMBB8 ) ; 2♀♀ Tenerife , 2 km north of San Andrés, 206 m, 28°31'33.4''N, 16°11'41.1''W, 18.04.2016, leg. Kratochwil (ID-No KR-AN6 , KR-AN7 ) ; 2♀♀: Tenerife , Bailadero, 680 m, 28°33'00.1''N, 16°12'19.1''W, 22.04.2016, leg. Kratochwil (ID-No KR-AN19 , KR-AN20 ) .

Figures

Fig 1: (a) Topographical location (with °North and °West of latitude and longitude) of the Azores, the Archipelago of Madeira, the Selvagens Islands, the Canary Islands and Cape Verde. (b) Islands of the Madeira Archipelago. (c) The Western Canary Islands and four areas of Tenerife (Anaga, Teno, Las Cañadas/Teide and the Dorsal Rift region). Modified according to AGUIAR & KARSHOLT (2006).