Spheyidae. 445 



1899 p. 535, nlger p. 535 ^ n. sp.? (wahisch. ^ zu Stizus niger Rad.) 



p. 536 (Batah). 

 Sphecius Dahlb. Ashmead, 1. c. p. 346. — 7 nordanier. Sp. 

 Stizoides Guerin p. 346. — 1 nordaraer. Sp. 

 Stizus Latr. p. 347 (= Beiubecinus Costa = Stizomorpha Costa), — 8 nord- 



amer. Sp. 



Sphegidae, 



Cliarakt. u. Uebeisiclit über die Gattuugeii. Asliiuead, Canad. Entoni. 1899 

 p 348. 



Asbmead bestimmt die Subfam. uach folgender Tabelle: 

 Second. Cubit. cell receiving both recurr. nerv., or the 2nd rec. nerv, is 

 iuterstitial witb the 2nd transverse cubitus, although sometimes the tirst 

 recurr. is iuterstitial witb the 1. ti'ansv. cubitus, or then received by the 

 Ist cubital cell; tibiae either spinous or entirely smooth vpithout spines. 2 



Second cub. cell receiving only 1 rec. nerv. — the lirst, 2nd rec. nerv, recei- 

 ved by the 3nd cub. cell, or at least beyond the 2 nd transv. cubitus; very 

 rarely are both rec. nerv, received by the 1 st cub. cell (Neosphex Reed = 

 Pseudosphex Tiscbb.). 



Antennae inserted on the middle of the face; claws vpith 1 to 5 teeth 

 beueath; tibiae strongly spinous, or at least never witb the weak or 

 feeble spines; tarsal comb in § always present; cubitus in bind wings raost 

 frequently iuterstitial, or nearly, witb the transverse, median nervnre; head 

 transverse. Subfam. I. Spheginae. 



Ant. ins. far anteiior to the middle of the face; claws simple, without 

 teeth, or at most vs^itb a single small tooth near the middle; tibiae smooth, 

 not spinous; tarsal comb in $ never present; cubitus in bind vpings 

 interstitial. Subfam. IV. Podiinae. 



2. Claws simple, without a tooth beneath; tibiae more or less spinous; tarsal 

 comb in 2 present; abdom. most frequently very elongate, petiole composed 

 of 2joints, rarely witb only 1 Joint; cubitus in bind wing usually originating 

 beyond the transverse median nervure. Subfam. II. Ammophilinae. 



Claws witb a Single tooth beneath, although sometimes very minute, more 

 rarely without a tooth, claws simple, tarsal comb in 2 wanting; abdom. 

 always witb a 1-jointed petiole; cubitus in bind wings interstitial. 



Antennae inserted on the middle of the face; metathorax witb a large 

 U-shaped area above; mesopleura not longer than the height of the thorax. 



Subfam. III. Sceliphroninae. 



Ant. inserted far below to the middle of the face, on or just above an 

 iniaginary line drawn from base of eyes; metathorax without a large 

 U-shaped area above; mesopleurae much longer than the height of the 

 thorax. Subfam. IV. Podiinae. 



Subfam. Spheginae. 



TJebersicht über die Gattungen. Ashmead, Canad. Entom. 1899 p. 349 — 351. 



Calosphex Kohl p. 350. 



Cerceris arenaria L. trägt Rüsselkäfer als Larvenfutter ein. Alfkeu, Entom. 

 Nachr. (Karsch) 25. Jhg. p. 106—109. Zu den 10 bek. (p. 110—111 zu- 

 sammengestellten) Beutethieren fügt A. als neu hinzu Strophosomus coryli 



