OF WASHINGTON. 77 



Superfamily Elenchoidea Pierce. 



Antennse five-jointed, with third joint laterally produced, fourth and 

 fifth elongate Elenchid^, n. fam. 



TABLE OF GENERA — MALES. 



Family I. Mengeid^e Pierce. 



Mandibles, maxillae, and maxillary palpi present, labial palpi absent ; 

 wings having eight primary veins from base, with one distal 

 unattached vein between the second and third, and with the sixth 

 and seventh apically united, 



Mengea Grote, 1886 (Triccna Menge, 1866; nee Hiibner, 1816). 

 Type of genus, Mengea tertiaria Menge, 1866, fossil in amber, Ger- 

 many. 



Family II. Myrmecolacid.^ Pierce. 



Wings having eight primary veins from base, the fourth curved upward 



and branched at right angles Myrmecolax Westwood, 1858. 



Type of genus, Myrmecolax nietneri Westwood, 1858, parasitic on a 

 formicid, Ceylon. 



Family III. Stylopid^ Kirby, 1813. 



Wings having eight primary veins from base, with two distal unat- 

 tached veins between the third and fourth, and no distinct costal 



node Stylops Kirby, 1802. 



Type of genus, Stylops meliffce Kirby, 1802, parasitic on Andrcna 



nigro-anca K., England, Germany, Hungary. 

 Described species : 



kirbii Leach, i^i^^^melittce Kirby, 1802 (Saunders, 1872). 

 dalii Curtis, 1828, parasitic on Andrena labialis K., England. 

 liazvorthi Stephens, 1829= melittcc Kirby, 1802 (Saunders, 1872). 

 childreni Gray (Griffith, 1832), parasitic on Andrena victima 



Sm., Nova Scotia. 

 spencii Pickering, 1835, parasitic on Andrena tibialis K., Eng- 

 land, Germany. 

 aterrima Newport, 1847, parasitic on Andrcna trimmcrana K., 



England. 

 trimmcrana Smith, 1857 = a/rm/z/a Newport, 1847 (Saunders, 



1872). 

 thwaitei Saunders, 1872, parasitic on Andrena afseliella K., 



England, France, Germany, Switzerland, Hungary. 

 dahlii Friese, 1906 = dalii Curtis, 1828. 



