OF NORTHUMBERLAND AND DURHAM. 145 



Family 4. MUTILLID^,* Leach. 



Genus 1. MUTILLA, Linn. 



1. M. Eurojm, Linn. Linn., Faun. Suec, No. 1727; Smith, 

 Monog., 39, 1. 



Occasionally found on the sand-hills near South Shields. 



Genus 2. MYRMOSA, Latr. 



1. M. melanocejihala, Fab. Latr., Hist. Nat., XIIL, 266; 

 Monog., 43, 1. 



Somewhat rare ; taken near Haltwhistle, and near Naworth. 



Tribe 2. FOSSOEES,! Latr. 



Family 5. POMPILID^, Leach. 

 Genus 1. POMPILUS, Fab. (In part). 



1. P. gibbiis, Fab. Fab.-, Ent. Syst. Supp., 249, 17; Smith, 



Monog., 55, 2. 



Exceedingly abundant. I have taken it from the sea coast 

 up to our farthest western limit. It preys upon spiders. 



2. P. pectiniiws, Linn. Linn., Faun. Suec, No. 1654 ; Smith, 



Monog., 56, 8. 



Apparently rare with us. I have two females, taken on the 

 links hear South Shields. 



3. P. spissus, Schi. Dahlb., Hym. Europ., I., 70, 34; Smith, 



Monog., 57, 4. 



Also rare. I have the male from Mitford, and the female 

 from Haltwhistle. 



* The Solitaiy Ants, in which there are only males and females, the former aUvaya rringed, 

 and the females apterous. 



t The insects of this family are known as Sand and Wood Wasps ; and having winged 

 males and females only, are consequently solitary in their habits, burrowng in the earth, or 

 in wood, and provisioning their nests with living insects, larva, and spiders. 



