28S MODr,UN SYSTEM. 



C. TMhrum a lilllc broader Hum long, subsemicircuhtr or snuiotVi/. 

 Mandibles slender, poinled, unidcntate on their internal edge. Abdo- 

 men not polUnigcrous. 



* Up n-ilh tJie lalcrol divisions shorter than the palpi. Bodi/ sim^ 

 plij pubescent. 



Genus 481. NOMADA. Scop., Fabr., Tllig., King, Spinola, Ju- 

 rine, Panz., Leach. Ai'is. Linni, ViUe7's, Kirbt/ (^■' h). 



Superior wings with three sul)marginal cells complete: ntaxillury palpi 

 six-jointed. 



'J'he history, economy, and mode of nidification of the insects of 

 this genus (all ol' which are remarkable for tlie gaiety of tiieir co- 

 lours) as yet remain a secret. Dr. Leach has strong reasons for su- 

 specting them to he jtarasitical ; and this seems the more probable 

 from their having no instrument for carrying pollen. Their flight 

 is silent, imattended iiy any hum ; they frequent dry banks. Their 

 eyes, whilst living, exhiliit through the external reticulated covering 

 a surface of hexagons, which keeps shifting with the light. 



Sp. 1. i\'^i)/«. rujicornis. 



Apis ruficornis. Linn., Kirby. Nomada ruficornis. Fabr., Ijitr., Leach. 



Inhaliits dry banks and sandy situations. 



Genus 482. EPEOLUS. Latr., Fabr., Illig., Jurine, Panz., Spi- 

 nola, King, Jj:ach. Apis. Linnc, Kirbi/ (** b). 

 Superior Tci/igs with three complete submarginal cells: maiillartj palpi 



one-jointed. 

 Sp. 1. Epeo. variegatus. 



I'.peolus variegatus. Fabr., Panz., Latr. Apis variegata. Linne. 

 inhaliits Europe, but is very local in BriUiin. I once met with this 

 species in abundance in a sand-pit near Be.xley, Kent. 



** Lateral divisions of the lip almost as long as the palpi. Bodi/ 

 very villose in parts. Sculellum spinose. Superior wings uilh 

 three submai'ginal cells. 



Genus 48.3. MELECTA. Latr., Panz., Illig., Spinola, Leach. 

 Apis. Linne, Kirbi/ (** a). 

 Maxillary palpi six-jointed, with five very distinct. 



The insects of this genus are supposed to be parasitical. 

 Sp. 1. Mel. punctata. Latr. 

 Crocisa atra. Jvrine. Apis punctata. Kirby. 

 Inhabits Europe. Is common near Swansea in South Wales. 



