LARVAE OP APHODIINAE — JERATH 51 



frontal seta and a microsensilla and a long seta at each anterior 

 angle. First antennal segment apparently subdivided. Scissorial 

 area of left mandible with S1+2 and S3 and of right mandible with 

 Si+2 and S3+4. Each mandible dorsally with two or three setae and 

 ventrally with three or four short setae. Galea dorsally with more 

 than four setae. Abdominal segments 1-8 each with three dorsal 

 annulets; segments 9 and 10 each with two rows of dorsal setae, 

 dorsa not divided. Lower anal lobe emarginate, partially subdivided 

 into two lobes (or into four as in A. erraticus). 



Key to known larvae of Aphodius Illiger 



1. Raster with palidia 2 



Raster without palidia 4 



2. Dexiotorma produced caudad; lacinia dorsally with a row of five or six setae 



along the mesal edge and a short seta posteriorly; second and third 



antennal segments subequal, first long 3 



Dexiotorma not produced caudad; lacinia with a row of eight or nine long 

 setae along the mesal edge and two short setae posteriorly; first and second 

 antennal segments subequal, third short (Australian species). 



pseudotasmaniae Given, howitti Hope 



3. Laeotorma produced caudad; abdominal segments 6-8 dorsally with three 



transverse rows of setae; galea ventrally with a row of six or seven short 

 setae; lacinia dorsally with a row of six long setae along the mesal edge 



and a short seta posteriorly granarius (Linnaeus) 



Laeotorma not produced caudad; abdominal segments 6-8 dorsally with two 

 transverse rows of setae; galea ventrally with a row of 11 or 12 short setae; 

 lacinia dorsally with a row of five long setae along the mesal edge and a 

 short seta posteriorly pardalis LeConte 



4. Maxilla with stridulatory teeth on palpifer 5 



Maxilla without stridulatory teeth on palpifer 12 



5. Epipharynx with laeotorma not produced caudad 6 



Epipharynx with laeotorma produced caudad 8 



6. Palpifer with three or fewer stridulatory teeth; galea ventrally with 17 or 



fewer short setae in a row; lacinia dorsally with six or fewer long setae in 

 a row near the mesal edge and a short seta posteriorly; raster with less than 

 91 tegillar setae; each abdominal spiracle-bearing area with two setae 



dorsally and two setae ventrally 7 



Palpifer with more than three stridulatory teeth; galea ventrally with 18-22 

 short setae in a row ; lacinia dorsally with a row of nine long setae near the 

 mesal edge and a short seta posteriorly; raster with 130-165 short tegillar 

 setae; each abdominal spiracle-bearing area with three or four setae ven- 

 trally and three setae dorsally fossor (Linnaeus) 



7. Stridulatory area on stipes with 14-18 teeth; galea dorsally with seven setae; 



lacinia dorsally with a row of six long setae near the mesal edge and a short 

 seta posteriorly; first and second antennal segments subequal, third short. 



fimetarius (Linnaeus) 



Stridulatory area on stipes with 6-10 teeth; galea dorsally with five setae; 



lacinia dorsally with a row of five long setae near the mesal edge and a 



short seta posteriorly; second and third antennal segments subequal, first 



long aleutus Escholtz 



