LARVAE OF APHODIINAE — JERATH 87 



Explanation of Figures 



Figures 1-11.— Heads: 1, Ataenius saxatilis Cartwright; 2, Aegialia hlanchardi Horn; 3, 

 Aphodius erraticus (Linnaeus) ; 4, ^M^ana castanea Serville; 5, A phodtus fimetarius (Lin- 

 naeus); 6, Pleurophorus cacsus (Creutzer); 7, Saprosites pygmaeus Harold; 8, Ataenius sp. 

 {strigatus group); 9, Psammodius oregonensis Cartwright; 10, Oxyomus silvestris (Scopoli); 

 11, Aphotaenius carolinus (Van Dyke). 



Figures 12-31.— 12-15, Third and fourth antennal segments: 12, Aphodius granarius 

 (Linnaeus); 13, Oxyomus silvestris (Scopoli); 14, Aphodius fimetarius (Linnaeus); 15, A. 

 troglodytes Hubbard. 16-22, 27, Antenna: 16, Aphodius fossor (Linnaeus); 17, same, distal 

 portion; 18, Aphotaenius carolinus (Van Dyke); 19, Ataenius saxatilis Cartwright, distal 

 portion; 20, Euparia castanea Serville; 21, Pleurophorus longulus Cartwright; 22, P. caesus 

 (Creutzer); 27, Ataenius saxatilis Cartwright. 23-26, 28-30, Dorsal view of left mandible: 

 23, Aphodius granarius (Linnaeus); 24, Euparia castanea Serville; 25, Aegialia lacustris 

 LeConte; 26, Oxyomus silvestris (Scopoli); 28, Aphodius fimetarius (Linnaeus); 29, A. 

 erraticus {lAnnaiem);?)^, A. sparsus'LeConle. 31, Euparia castanea Serville, dorsal view 

 of right mandible. 



Figures 32-46.-32-37, Left mandible (all views dorsal except 35): 32, Ataenius saxatilis 

 Cartwright; 33, Ataenius sp. {strigatus group); 34, Aphotaenius carolinus (Van Dyke); 35, 

 same, ventral view; 36, Pleurophorus caesus (Creutzer); 37, Psammodius oregonensis 

 Cartwright. 38, Same, right mandible, dorsal view. 39, 40, Left maxilla, labium, and 

 hypopharynx, dorsal view: 39, Aegialia hlanchardi Horn; 40, Oxyomus silvestris (Scopoli). 

 41, Aphodius erraticus (Linnaeus), left maxilla, dorsal view. 42,43, A. fimetarius (Lin- 

 naeus), dorsal views: 42, left maxilla; 43, labium and hypopharynx. 44,45, Euparia 

 castanea Serville, dorsal views: 44, left maxilla; 45, labium and hypopharynx. 46, Sapro- 

 sites pygmaeus Harold, left maxilla, labium, and hypopharynx, dorsal view. 



Figures 47-56. — 47,48, Left maxilla, labium and hypopharynx, dorsal view : 47, Aphotaeniu^ 

 carolinus (Van Dyke); 48, Ataenius saxatilis Cartwright. 49, A. ovatulus Horn, left 

 maxilla, dorsal view. 50, Psammodius oregonensis Cartwright, left maxilla, labium, and 

 hypopharynx, dorsal view. 51, Pleurophorus longulus Cartwright, left maxilla, dorsal 

 view. 52-56, Epipharynx: 52, Aphodius fimetarius (Linnaeus); 53, Aegialia hlanchardi 

 Horn; 54, Aphodius stercorosus Melsheimer; 55, Aphodius haemorrhoidalis (Linnaeus); 

 56, A. sparsus LeConte. 



Figures 57-66.— Epipharynx: 57, Aphotaenius carolinus (Van Dyke); 58, Ataenius saxatilis 

 Cartwright; 59, Ataenius sp. {strigatus group); 60, Oxyomus silvestris (Scopoli); 61, Euparia 

 castanea Serville; 62, Saprosites pygmaeus Harold; 63, Aphodius lividus (Olivier); 64, 

 Pleurophorus caesus (Creutzer); 65, P. longulus Cartwright; 66, Psammodius oregonensis 

 Cartwright. 



Figures 67-78. — Venter of 10th abdominal segment: 67, Aphodius prodromus Brahm; 68, 

 Saprosites pygmaeus Harold; 69, Aphodius pardalis LeConte; 70, Aegialia hlanchardi 

 Horn; 71, Oxyomus silvestris (Scopoli); 72, Psammodius oregonensis Cartwright; 73, 

 Pleurophorus caesus (Creutzer); 74, Aphotaenius carolinus (Van Dyke); 75, Ataenius 

 sp. {strigatus group); 76, Aphodius fimetarius Linnaeus; 77, A. vittatus Say; 78, Ataenius 

 saxatilis Cartwright. 



Figures 79-89.-79-81,83, Abdominal segments 7-10, lateral view: 79, Oxyomus silvestris 

 (Scopoli); 80, Ataenius saxatilis Cartwright; 81, A. strigicauda Bates; 83, Saprosites 

 pygmaeus Harold. 82, Aphodius fimetarius (Linnaeus), left metathoracic leg, lateral view. 

 85,86, Caudal view of last abdominal segment: 85, Aphodius erraticus (Linnaeus); 86, 

 Aegialia lacustris LeConte. 84,87-89, Caudal view of last abdominal segment showing 

 only the lower anal lobe: 84, Ataenius saxatilis Cartwright; 87, Psammodius oregonensis 

 Cartwright; 88, Saprosites pygmaeus Harold; 89, Pleurophorus caesus (Creutzer). 



