82 NATURE'S CALENDAR 



Aoril 28 ^SS^ ^'^ rows on the principal veins of under 

 surface of leaves of currant and gooseberry. 



Ground Beetles. — Adults become active, 

 though still found much of the time under 

 stones, logs, boards, or similar shelter. 



Leaf Beetles. — Many species come from hiber- 

 nation and begin to feed on leaves of various 

 plants. 



Bitprtstid Beetles. — Larvie resume activity in 

 boring in trees and logs. 



Ladybird Beetles. — Adults come from places 

 of hibernation and wander about in search of 

 food. 



May Beetles or "'June Bugs."' — Larvae (white 

 grubs) begin feeding again on roots ; beetles 

 still in pupal cavities; to be found in ploughed 

 ground. 



Click Beetles. — Larvae (wire-worms) in soil, 

 feeding on plant roots; adults in pupal cavities 

 in the soil or emerging therefrom. 



Longicorn Beetles. — The cylindrical larvae re- 

 sume burrowing operations in trees and logs. 



Bie Flies. — Appear on wing, visiting blossoms 

 of willow, arbutus, and other early flowers. 



House Flies. — Adults come from winter shel- 

 ter and begin egg laying in refuse-heaps and 

 manure-piles. 



Crane Flies. — Larvae (leather-jackets) still in 

 soil of grass-lands or changing to pupae. 



Gall Flies. — The larvae of many species of 

 gall-makers in galls on willow and other plants 

 change to pupae. 



Mourning Cloak Butterfly and other relatea 

 species. — Adults come forth from wood-piles, 

 brush-piles, hollow trees, or other shelter, and 

 fly about, visiting willow and other blossoms, 

 and perhaps laying eggs. 



