128 Z. BOUCEK 



to form C, at least to specimens from Zaire and Uganda, i.e. mainly from the tropical 

 forest regions. The other extreme, form E, seemed different enough before I 

 found the mentioned intermediate forms from South Africa and some others as 

 well, differing more or less in various combinations of characters. Very easily 

 each population could be given a name but it would not solve anything. Perhaps, 

 however, the description of the variation may prove useful to somebody who will 

 have more material and more biological information on this aggregate which, 

 at the moment, I am unable to regard as more than one species. 



Biology. Hosts are Megachiline bees alhed to Anthidium Fabricius, e.g. 

 Pachyanthidiuni cor datum (Smith) (Kirby, 1883) , P. truncatum (Smith) in Tanzania, 

 P. 'bicolor (Lepeletier) ' in Uganda, Serapista denticulata (Smith) in South Africa. 

 Two specimens from Kampala, Uganda are also labelled as reared from Serapista 

 denticulata, but their small size seems to suggest a misidentification of the host. 



Unlike most other species-groups of Leucospis, L. tricolor seems to mimic in 

 colour its host species. 



Distribution. Senegal, Sierra Leone, Nigeria, PCongo (Brazzaville), Zaire, 

 Ethiopia, Somalia, Uganda, Tanzania, Zambia, Rhodesia, Mozambique, South 

 Africa. 



Material examined. 



Type data given in synonymy. 



Senegal: 1867, 1 ?, 1 $ (form A) (MNHN, Paris; BMNH). Sierra Leone: 

 Freetown, xi. 1967, 1 $ (A) (D. F. Owen) (BMNH). Nigeria: Azare, 1926, 1 $ (A) 

 {LI. Lloyd) (BMNH). 'Congo' (PBrazzaville), 2 $, 1 <J (A-B) {Dybowski) (MNHN, 

 Paris). Zaire: Eala, 1938, 1 $ (A) (/. Ghesquiere) ; Katanga, Munuma, 14.vii.1926, 

 2 $ (C) (Ch. Seydel); Katompe, Fungar, 18.vi.19n, 1 o (Q (Bequaert) (all MRAC, 

 Tervuren). Sudan: Renk, xii. 1961, 1 $ (C) (Cloudsley-Thompson) (BMNH). 

 Ethiopia: Eritrea, Ghinda, 1 $ (C) (Tellini) (MZU, Florence); no locality, 1911, 1 $ 

 (C); Harrar, 1912, 1 £ (C-D) (? Turner) (BMNH). Somalia: Iscia Baldoa, v. 1935, 

 1 J (?C) {A. Mochi) (MCSN, Genoa). Uganda: Kampala, iii. 1932, 'ex Serapista 

 denticulata', 2 $ (C) (H. Hargreaves); ix. 1938, ex P achy anthidium 'bicolor\ 4 $ (C) 

 {T. H. C. Taylor) (BMNH). Tanzania: Zanzibar, nr Mazi Moja, 1924, 2 $ (B) 

 {H. J. Snell) (BMNH); Nzoi, Ukambani Country, 1889, 2 $ (C) (BMNH); Old 

 Shinyanga, viii-ix. I95i,v. 1954, ex Pachyanthidiuni truncatum, 6$, 3 $ (C-D) (E. Burtt) 

 (BMNH). Zambia: Abercorn, 11.viii.1945, 1 <J (B-C) {H. J. Bredo) (BMNH). 

 Rhodesia: Salisbury, ix. 1900, 1 $ (C), 1 S (B-C) [G. Marshall) (BMNH & TM, 

 Pretoria); Chishawasha, ii. 1970, 1 $ (C) (Watshani) (Watsham); Cashel Valley, 

 17.1.1970, 1 <$; Selukwe, 2.1.1941, 1 $> (B-C) (NM, Bulawayo); Lonely Mine, 14. 

 iv. 1914, 1 S (?Q [Swale) (BMNH); Bulawayo, x. 1923, 1 $ (B) (R. Stevenson) 

 (BMNH). Mozambique: Delagoa Bay, 1 $ (Monteiro) (IRSNB, Brussels). 

 South Africa: Zululand, M'fongosi, 2 ^ (?D) (M. E. Jones) (SAM, Cape Town); 

 Natal, Weenen, iii.1925, 1 $, 1 $ (D) {Thomasset) (BMNH); Pondoland, Port St. 

 Johns, ix. 1916, 2 $ (D-E) (Swinny) (TM, Pretoria), xii. 1923, ii. 1924, 1 $, 2 $ (D) 



