282 MODEKK SYSTEM. 



Melitta tricincta. Kirbj/. Aiidrena tricincla. Latr. Cilissa tricincta. 



Leach. 

 Inhabits ■ • . 



SxiRPs 2. — Lip with the intermediate division incurved, or nearly 

 straio-ht: superior zti/igs in all with three complete submarginaJ 



cells! 



* Lip icilh the intermediate division nearly straight, not twice the 

 length of the head. 



Genus 470. SPHECODES. Latr., Leach Spiiex. Limie, Villers, 



Rossi. Aris. Geoff. Pkoapis. De Geer. Nomoda. Fabr. 



Andrena. QHv., Panz., Jiirine, Spiaola. Dichhoa. Illig-, 



King. Mei.itta. ** a. Kirbi/. 



Lahnnii trigonate, of tlie male entire, of the female generally emar- 



ginate : untcmue of the males long, almost monililorm, arcuated : 



abdomen with the greater portion smooth. 



Ocs. — The species of Sphecodes, at first sight, bear a near resemblance 

 to Sjihex. I'hey make their nests in bare sections of banks exposed 

 to the sun, and nearly vertical. According to Rcaunun-, they exca- 

 vate to the depth of nine or ten inches, and deposit their eggs in a 

 mass of pollen mixed with honey. 



Sp. 1. Sph. gibbiis. 



Melitta gibba. Kirby. 



Inhabits Europe. 



** Lip with the intermediate division incurved, longer than the la- 

 teral ones, and twice us long or more than the head. 



Genus 471. IIYL^'EUS. Fabr., Illig., Spinola, King, Leach. Ai'rs. 

 Linnc, Villers, liossi. Andufa'a. Oliv., Faiiz., Jurine, Spi- 

 nola. Melitta. ** b. Kirbi/. Uai, ictus. Latr. 

 Lip lanceolate, little sericeous : hinder feet in botli sexes alike : anus of 

 the females with a longitudinal groove above. 



The males of this genus arc remarkable for an elongate cylindric 

 body. The wings of many of the species are beautifuHy iridescent. 

 They nidilicate in bare banks. 

 ?vp. 1. H)/l. quddri-cinctus. 

 Apis 4-cincta. Linnc. 

 Inhabits the vicinity of London, l)ut is rare. 



Fain. XIX. Ario.t. Leach. 



Lip with the apex inflected, the intermediate lacinia filiform, and very 

 long : labial palpi with the two first joints resembling a compressed 

 seta. 



