( xxxvii ) 



Species of Anthidium which arc known to nidificate in empty 



shells. 



1. Anthidium bellicosum, Lep. (Montserrat, near Barcelona, 

 July 9, 1904). " Not very common. Instinct on the 

 authority of Fabre. F. D. M." 



Ferton records (1901) that it uses the large shells of Bulimus 

 [Stenogyra~] decollatus in the same manner as Osmia versicolor. 



2. Anthidium septemdentatum, Latr. (Delphi, Greece : May 

 12, 1912). "Abundant all over Continent and in N. Africa. 

 Instinct on authority of Fabre. F. D. M." 



Ferton (1908) has seen this species in July closing its nest 

 in Helix rermiculata " cachee dans le pied d'une touffe," at 

 Bonifacio. 



3. Anthidium sticticum, Lep. (Narbonne, S. France : Apr., 

 1903). " Very common in snail-shells in Algeria. F. D. M." 



The specimen from Narbonne was accompanied by a shell 

 determined by Mr. G. C. Robson as probably Iberus (Helix) 

 carseolana, Fer. The shell still contains a bee. 



Vespidae which nidificate in empty shells. 



Ferton (1901) also records that certain solitary Wasps 

 occasionally nidificate in snail-shells, viz. Odynerus gallicus, 

 Sauss. ; also Odynerus mauritanicus, Lep., in Helix candi- 

 dissima var. major (Ferton received specimens from Mecheria, 

 Province of Oran, Algeria). 



A few years earlier (1896) Ferton published the following 

 records of species of Odynerus : — 



Odynerus alpestris, Saussure, utilises by preference Helix 

 "of the group candidissima." Ferton has obtained it him- 

 self from Cyclostoma sulcatum (conical shells), Helix aspersa, 

 Helix aperta, — a broken shell being chosen. Entire, it would 

 have been inconveniently large, unless the inner part only 

 were used. 



Odynerus abdelkader, Saussure, an Algerian species obtained 

 once only from Helix cyzicensis. 



Odynerus crenatus, Lep. Two males obtained from Helix 

 aspersa at Toulon, France. 



Fabre's charming notes on the nidification of Osmia and 



