152 MR, BOLD ON THE ACULEATE HYMENOPTEEA 



Genus 7. MIMESA, Shuck. 



1. M, bicolar, Jurine. Shuck., Foss. Hym., 230, 2; Smith, 

 Monog.. 183, 2. 



Plentiful in a sandy field by the Derwent side, below the Spa 

 well at Axwell Park, in August. 



Tribe 3. DIPLOPTERA, Latr. 



Family 1. EUMENID^,* Westa. 



Genus 1. ODYNERUS, Latr. 



1. 0. spinipes, Linn. Wesm., Mon. Odyn. Belg.. 6, 2; Smith, 



Monog., 203, 4. 

 In sandy places exceedingly common. It forms curious tubes 

 of sand, as thick as a stout quill, at the entrance of its nest, 

 which it provisions with small caterpillars. 



2. 0. 2^(trietn>n, Linn. Wesm., Mon. Odyn., 16, Supp. 4; 



Smith, Monog., 206, 7. 

 Very common about old walls, sand-banks, &c., throughout 

 the district. 



3. 0. trifasciatus, Oliv. Wesm., Mon. Odyn., Supp. 7; Smith, 



Monog., 208, 9. 

 Bui'rows in old posts, rails, &c., and is very abundant, and 

 generally distributed. 



4. 0. trimarginaius, Zett. Smith, Monog., 209, 10; 0. Sco- 



ticus, Curtis, Brit. Ent., III., 138. 



Equally common with the foregoing. I have taken it in North- 

 umberland, Durham, and Cumberland. 



5. 0. pictus, Curb. Curtis, Brit. Ent., III., 138; Smith, 



Monog., 210, 2. 



Rare, Gibside, Mr. James Hardy. I have also taken it at Long- 

 Benton. 



* The Solitary Wasps, of which there are males and females only. Many of tliem fabri- 

 cate their cocoons with mud, and provision them with caterpillars. 



