>\ 



cj Die Bienen Afrikas nach dem Stande unserer heutigen Kenntnisse. ji? 



bristles, the rima not distinguished by any colour. Hair at sides of face silvery; antennae entirely black; face 

 rather narrow; clypeus produced, with an irregulär sculpture; front dull and granulär; mesothorax with very 

 little hair, dull, with scattered punctures; scutellum more shining, and quite closely punctured, the punctures of 

 various sizes; area of metathorax with strong longitudinal wavy plications, its margin well-defined and sharp; 

 abdomen moderately shining. Postscutellum with greyish-white tomentum. L. 8 mm. 



Benguela Hinterland, West-Africa, January ßrd, 1908 (F. Creighton Wellmann). Taken, with numerous 

 other bees (Anthophora caerulea Friese, A. convolvuli Cckll., etc.), from a smaU patch of flowering Compositae, 

 species of Othonna and Geigeria. This has a general resemblance to several European species; they are separable 

 by the following table: 



| Area of metathorax with a fine grooving or lineolation; face very broad maculatus Smith. 



I Area of metathorax plicate or ridged 2. 



Mesothorax very shiny, smooth, with sparse punctures morbillosus KRIECHB. 



Mesothorax not thus shiny and smooth 3. 



Hair on postscutellum long and fuscous; wings clear leucosonius (Schrank). 



Hair on post-scutellum short and greyish white; wings darkened creightoni Cckll. 



Malictus crocinus Vach. 

 1903 Halictus crocinus Vachal, $$, in: Ann. Soc. ent. France, T. LXXII, p. 389. 



°.ö*. Nigro-piceus, tegulae et plus minus pedes testacei. Facies et thoracis dorsum pilis croceis ut polline 

 luteo irrorata, in metanoto tomento croceo, et etiam minus denso in angulis posticis areae dorsalis segmenti 

 medialis. Abdomen fasciis basalibus e tomento griseo. 



$. Face arrondie; mandibules rougeätres. Mesonotum tres finement räpeux, mat. Aire dorsale du segment 

 mediaire offrant une partie horizontale ä stries irregulierement longitudinales, devenant obsoletes sur la partie 

 declive de chaque cote; aire anale etroite a. cotes paralleles, hexagone (la partie inferieure comptant pour un 

 cote) ayant un rebord complet qui emet un rameau en avant pour separer Faire dorsale de l'aire pleurale. Ailes 

 presque hyalines ä nervures jaunätres; la cellule cubitale 2 ä peu pres carree, relativement grande. Pattes ante- 

 rieures presque entierement testacees ; eperon ä 3 epines. 



Segment 1 hsse imponctue; les autres finement acicules. Brosse gris-blanchätre. 



cf. Bouche entierement jaune; les pattes, moins la base de la cuisse posterieure, rougeätres. Articles des 

 antennes 2 -f- 3 egalant presque la longueur de 4. Les segments ventraux 4 — 5 fortement franges de fauve, 

 5 un peu sinue. L. 6V2 — 7 mm. 



8 ? et nombreux <3 de Lastourville VIII— IX 98 (BOUYSSOU), coli. Vachal. 



Kongo. 



Halictus deceptus Sm. 



1853 Halictus deceptus Smith, $, in: Cat. Hym. Br. Mus., Vol. I, p. 53. 



?. Black, head and thorax moderately punctured, the face covered with griseous pubescence, clypeus 

 strongly punctured, the anterior margin truncate, the lateral angles produced, forming blunt teeth. Thorax thinly 

 clothed with fulvous pubescence, palest beneath; the legs clothed with fulvous pubescence above, the apical 

 joints of the tarsi ferruginous; wings subhyaline, nervures ferruginous. Abdomen shining, very minutely and 



closely punctured, 1. segment with a patch of white pubescence at its base laterally, another on each side of the 



7* 

 18* 



