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Nomia Curvipes Fabricrus, 1793, Non 1781 (Hy1nenoptera : Apo1dea : Halictidae)

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Nomia Curvipes Fabricrus, 1793, Non 1781 (Hy1nenoptera : Apo1dea : Halictidae) BULLETIN DE L'INSTITUT ROYAL DES SCŒNCES NATURELLES ENTOMOLOGIE, 78: 2 11-223, 2008 BULLETIN VAN HET KONINKLTJK BELGJSCH TNSTITUUT VOO DE BELGIQUE R NATUURWETE SCHAPPEN ENTOMOLOGIE, 78: 211-223, 2008 Révision du ge~e N~mia sensu stricto LATREILLE, 1804 et désignation du lectotype de 1 esp~ce-type Nomia curvipes FABRicrus, 1793, non 1781 (Hy1nenoptera : Apo1dea : Halictidae) Par Alain PAULY Abstract En regardant dans FABRJCIUS (1781 p. 473 n°8), on tombe sur « Andrena cincta ». Il s'agit sans doute d'une Lectotypes are designated for Nomia curvipes FABRICIUS 1793 Amegilla à cause de la couleur verdâtre de la pubescence and Nomia crassipes FABR 1c1us, 1798. Nomia sahelie11sis is' a new species from the Sahel, close to N. a11tecedens CocKERELL, 193 1. dans la courte description : « capite thoraceque viridi­ Old hterature on the origi n of the genus Nomia is examined and pubescentibus ». En effet, ce type de livrée n'existe di scu sse~ . The first publication date of the species-type Nomia pas chez les Nomia mais bien chez les Amegilla. c11rv1pes 1s 1793 and not 178 1 as mentioned in most previous papers. BROOKS (1 988 : 506, 562) classe aussi A. cincta dans les The synonymy of Nomia curvipes is establi shed on new basis. Keys Amegilla, curieusement d'ailleurs dans un sous-genre are proposed for the 6 species included in the oenus Nomia sensu . 0 stricto. Geographic distributions of the species are completed by endémique africain « Aframegilla Porov, 1950» alors new data. que la localité originale de Fabricius est « Malabaria » dans la Région orientale. Dans Z1MSEN (1964), LIEFTINCK classe aussi A. cincta comme une Amegilla. Introduction En regardant dans DALLA-TORRE (1896), on trouve comme synonyme de N. curvipes : «Apis (Andrena) Lors de l'étude des collections de Nomiinae de malabarica GMELIN, LINNÉ : Syst. Nat. Ed. 13a I.5. 1790 l'Université de Copenhague, j'ai eu J'oppo1tunité de p.2791 n.181 ». découvrir un spécimen étiqueté « Tranquebar » qui est En regardant dans GMELIN (in LINNÉ 1790), on probablement un spécimen original de la série typique trouve : « 18 1, Andrena malabarica, FABRICIUS Sp.Ins. de A ndrena c11rvipes FABRI crus. Il est désigné ici comme I., p.473, n.8; Mant. Ins. I. p.298.n.9 ». Gmelin ne fa it lectotype. En effet, aucun spécimen n'était mentionné que reprendre la description de FABRJCIUS pour A. cincta dans le catalogue de Z1MSEN (1964) qui dolli1e la liste tout en lui do1rnant un nouveau nom : A. malabarica. des types figurant dans la collection Fabricius (voir A. malabarica ÜMELIN, 1790 ne peut pas être une Nomia car la description ne c01Tespond pas : «A. capite numéro 1035 page413). thoraceque viridi-pubescentibus ». La synonymie à Nomia curvipes est l'espèce-type du genre Nomia N. curvipes établie par DALLA-TORRE (1896), suivi sensu stricto. Dans plusieurs publications récentes sur la par BROOKS (1988 : 567) n'est donc pas correcte. A. classification des Nomiinae (MrcHENER, 1965, suivi par malabarica est à placer en synonymie nouvelle de PAu Lv, 1990 et M1c11 ENER, 2000), la date de publication Amegilla cincta ! de Nomia curvipes est 1781. Le nom Andrena curvipes apparaît pour la première Cependant, en examinant la publication de FABRICIUS fo is dans F ABRJCfUS, En tom. Syst. II, 1793: 310 n° (1781 ), i1 n'est pas possible de trouver cette espèce. Il 14, juste au dessus de Andrena cincta (n°15). Les s'agit donc d'une erreur et j 'ai essayé de comprendre deux premières citations de DALLA-TORRE pour Nomia d'où elle provenait. curvipes (178 1, 1787) sont donc erronées (confusion Michener (conununic. pers.) a suivi DALLA ToRRE avec A. cincta) et la bonne date pour N. curvipes est (1896) qui indiquait : « Andrena curvipes F ABRJCIUS, 1793. Spec. Insect. I. 1781 p.473 n.8. ». EBMER (1987: 88) Le genre Nomia est créé par LATREILLE en 1804 : 182 avait déj à remarqué cette fausse date en indiquant (Tableau méthodique des Insectes, pp. 129-200 dans le qu 'une source possible d'erreur était SANDHOUSE (1943 : Nouveau Dictionnaire d'Histoire Naturelle, vol. 24, 578). 212 Alain PAULY Paris, Déterville). La seule espèce citée est « Andrena Le genre Nomia au sens sh·ict comprend des espèces curvipes FABRJcrus ». HORN & SCHENKLJNG (1928) relativement grandes, à bandes apicales émaillées citent le travail comme suite : « Mehrere A.ttikel im jaunes ou verdâtres. Les femelles ont le plateau basal Dictionnaire d'Histoire naturelle de Deterville. 1. Aufl. des tibias postérieurs incomplètement caréné. Les Paris 1804. 8. und in Bd. 24 ein Tableau methodique mâles ont les fémurs postérieurs jaunes avec une dent des Insectes etc.». Ainsi la date 1804 semble être sur le bord inférieur, ce qui les distingue de tous les c01Tecte pour la première utilisation du nom Nomia. auh·es Nomia sensu latu. La désignation de l' espèce type « Nomia Le genre le plus proche est Leuconomia PAVLY, diversipes LATREfLLE, 1806» par BLANCHARD (1849, pl. 1980. Chez Leuconomia, les femelles ont aussi un 125 (1847)) n'est pas correcte puisque cette espèce plateau basal des tibias postérieurs incomplet mais la n'est pas originellement incluse dans le genre Nomia bande du tergite I est absente (excepté chez L. !utea), les lors de sa création par LATRErLLE en 1804. mâles ont les fémurs noirs et généralement sans dent, Lors de noh·e révision du genre Nomia en 1990, les espèces sont toujours petites. une autre en-eur a été commise, cette fois au niveau Les tegulae sont petits et de forme ovale régulière des espèces : Nomia curvipes a été redécrite sur base chez Nomia sensu stiicto, Leuconomia, Pronomia du matériel identifié par SMJTH (1875) et D.B. Baker PAULY, 1997 et Gnathonomia P AU LY, 2005, alors au British Museum. Or il s'agit d'une mauvaise qu' ils sont plus grands et de forme auriculaire chez identification, du moins pour les mâles. En consultant Curvinomia MICHENER, 1944 et Acunomia CoCKERELL, la description otiginale de Fabricius et son matériel 1930. Pronomia et Gnathonomia diffèrent des Nomia conservé à Copenhague, on constate que ce que nous s.str. et des Leuconomia par le plateau basal des tibias avons pris pour le mâle de N. curvipes est en réalité postérieurs complets chez les femelles. son N. crassipes. Le vrai N. curvipes est ce que nous Le tergite 6 des mâles de Nomia sensu stricto possède avons redécrit comme N. combusta SMITH (1875). De un lobe apical qui recouvre le tergite 7 et ressemble à plus, l'association des femelles appa1tenant à ces deux un plateau pygidial. Ce caractère se retrouve chez les espèces a été inversée. Lipotriches GERSTAECKER, 1858 sensu stricto mais pas La présente révision contribue identifier les espèces chez les « Nomia sensu latu ». En plus du plateau tibial afroh·opicales et orientales du genre Nomia sensu des femelles incomplet, ce caractère semble indiquer stricto et précise leur distribution. Une nouvelle espèce une plus grande affinité des Nomia sensu stricto avec les est séparée de N. antecedens dans la zone sahélienne : Lipotriches qu'avec les Nomia sensu latu. Les bandes Nomia saheliensis n.sp. Au total, le genre Nomia émaillées apicales des tergites ne seraient pas un bon sensu sh·icto comprend six espèces : deux dans la caractère pour regrouper toutes les espèces qui en sont Région orientale, une à Madagascar et trois en Afrique pourvues dans un même geme comme l'a fait M1cHENER ti·opicale. (2000). Partie taxonomique Clé pour l'identification des espèces Le genre N omia sensu stricto Mâles Nomia LATREILLE, 1804: 182. Espèce-type: Nomia 1. Sternites 3 et 4 terminés sur les côtés par une longue curvipes FABRJCIUS, 1793, monobasique. apophyse..... ......... ..... ... ..... ..... ... .. ..... ... ...... 2 Nitocris RAFINESQVE, 1815 : 123. Remplacement non - Sternites 3 et 4 sans longue apophyse.. ........ .. ..... .4 nécessaire pour Nomia LATREI LLE, 1804. Espèce-type: Nomia curvipes, F ABRlCrus, 1793, auto basique. 2. Quille médiane du sternite 5 sans plateau en son milieu ; bord apical du stemite 4 avec de longs cils DIAGNOSE . Il existe un grand nombre de sous-genres horizontaux assez raides et fo1111an t une sorte de peigne de Nomiinae avec des bandes apicales émaillées, qui ; 12,5-13mm ; Afrique Sahélienne ... .. ... ......... ... ... ont tous été classés dans le genre Nomia (sensu latu) · · · · · .. .......... .. .... .. .. ....... .... ........... N. antecedens par MICHENER (2000). Nous considérons cependant ici - Quille médiane du stemite 5 avec un petit plateau en Nomia sensu sh·icto comme un genre à part entière car son milieu ; bord apical du sternite 4 avec des cils moins l'origine des bandes émaillées ne nous semble pas être longs et moins raides ..... ...... ... ....... ............. ...3 u n caractère monophylétique chez les Nomiinae. Révision du genre Nomia sensu stricto LATREILLE, 1804 (Hymenoptera: Apoidea: Halictidae) 213 3. Soies des apophyses des sternites 3 et 4 plus touffues, Megilla curvipes : lLL!GER, 1806 : 142, n°56. Le bord apical du S4 presque complètement dissimulé ; Nomia curvipes : ILL!GER, 1807 : 197. petite espèce de 8 àlO mm ; zone sahélienne ........... Nomia curvipes : KLUG, 1808: 55 . N. saheliensis Nomia curvipes : OuvTER, 1811: 377, n°6. - Soies des apophyses des stemites 3 et 4 moins touffues, Nomia curvipes: L EPELETŒR DE SAINT FARGEAU, 1825 : Le bord apical du S4 non dissimulé par Les soies au 797. milieu ; plus grande espèce de 10 à 13 mm ; Afrique Nomia indica LEPELETIER DE SAfNT FARGEAU, 1841 : Orientale. .. N. scitula 292. "Indes". "Musée de M. Serville" (non examiné, synonymie d'après description). Syn. nov. 4. Tibias postériems avec un processus apical filiforme; Nomia combusta SMlTH, 1875: 56, pl.ii, fig.9, (S . bord apical du stemite 4 presque droit ; bandes apicales Holotype (S : Bombay, BMNH (examiné). Syn. nov. émaillées des tergites vertes; Madagascar et Comores ? Nomia combusta: WESTWOOD, 1875: 212, PL.IV, fig .
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