i 



228 



Say^s Descriptions of 



W 



species in Indiana, Missouri and the 

 The " acute angle" of the raetatho- 



rax is prominent, spiniform. 



d N. W. Tei 



It resembles 



(ibid, p. 69.) Occurs in Indiana 



^fi 



Nob. (A 



Entora. 



vol. II.) but is ratber smaller, tbe annulation of the an- 

 tenna is differently situated, and it has two abbreviated 

 white lines on the middle of the thorax. 



(A 



) Ter- 



minal segment of the tergum with a large, white, rounded 

 spot. 



6. I. parata, Nob. (Contr. Macl. Lye. p. 68.) The 

 following is a description of the opposite sex, and of some 

 of its varieties. 



Body black: head with yellow orbits, mouth and 

 hypostoma • antenntz beneath dull honey-yellow ; basal 

 joint beneath yellow ; thorax with two small abbreviated 

 lines on tbe disk, line before the wings approaching 

 before, and wing-scale yellow: scutel yellow: tvings 

 slightly tinged with fuliginous : nervures pale brownish ; 

 stigma dull honey-yellow ; second cubital cellule penta- 

 gonal, the two recurrent nervures with a short process 



metathorax with a dilated spot 

 each side, often confluent, and a small line under the 

 scutel: tergum with four dilated yellow bands: feet 

 yellow ; posterior thighs, excepting their base 

 trochanters, black ] posterior tibi® at tip black. 



Length over three fifths of an inch. 



near their middles: 



and 



Var. a, 

 Var. 3. 



Tergu 

 Metathorax 



Var. r- Bands of the tergum contracted In the middle. 

 Var. 3. Short lines of the thorax confluent, so as to 

 form a lunate spot. 



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