FAMILY III.— REAR- HORSES. 



•)" 



THE UNIFORM WOOD-COCKROACH. 



ylschnoptera unicolor Scud.). 



Wings and wing-covers of a uniform, pale, 

 shining, reddish-brown; color head and 

 pronotum slightly darker, especially in the 

 middle; abdomen darker above, especially 

 on the borders; cerci dark brown; legs, 

 especialh' the tibi«, darker than the body; 

 eyes bluck ; antennae and palpi brown ; 

 antennae reaching backwards to the tip of 

 wing-covers. (Fig. 59). 



These insects are not common, but are found occasion 

 ally late in June below loose bark in our forests. 



Fig. 59. — Ischno- 



ptera unicolor. 



Original. 



THE NORTHERN WOOD-COCKROACH. 



{Ischnopterfi borealis hinn.). 



It may also occur in our state, though no undoubted 

 specimens have been found. 



The family of cockroaches has not yet received the atten- 

 tion of entomologists and collectors, hence the species com- 

 posing it are not as numerous as they will be in the future, 

 w^hen every part of our state has been thoroughly explored. 



FAMILY III. 



REAR-HORSES. PRAYING MANTIS.* 



(Mantidas). 



The peculiar insects forming this family are chiefly inhab- 

 itants of tropical countries, and but few species occur in the 

 United States, and none in Minnesota. They are found, 

 however, south of us not much beyond the northern part of 

 Missouri. Wherever it occurs it attracts the attention of 

 all observers, and even those not interested in such matters 

 are apt to notice this grotesque insect, which assumes, 



•Mantis, a prophet ; also Greek name for such insects 



