INSi-XTS ATTACKING WEEDS IN AIINNESOTA. 143 



Egg. — Length 1 nun. ; 3 5 mm. wide. Color, greenish-white. 

 C}lin(irica] and rcmnded at both ends. 



PlutcUa iiiaculipciiiiis Curtis. 



( )n July 27, three pupae of this Httle moth were found, enclosed 

 in very light silken cocoons, conspicuousl}^ situated on the terminal 

 leaves. (_)ne adult emerged August 7. This species is known as 

 the cabbage plutella, and is listed l)y Sanderson as a minor pest 

 whereA'er cal)bage is grown. 



The Monarch or Milkweed Butterfly f Aiiosia plc.vlp/^iis. Linnj. 



The lar\a of this common moth is present on different species 

 of milkweed during the summer. It is greenish yellow, broadly 

 banded with ])lack. A pair of long, tleshy tilaments are present 

 on the second thorcic segment, as well as on the seventh abdominal 

 segment. The chrysalis is about one inch in length, stout, and 

 bright green, dotted with gold. Both the conical egg and the 

 chrysalis may be found on the tinder side of the leaves. The adult 

 is well kno\^■n l)v all. l^eing one of the migratory forms. An excel- 

 lent account of the transformations of this insect is gi\-en bv Riley. 

 (j\Io. 3rd Report p. 143). 



'"Lazily flying 

 Over the flower-decked prairies, west: 

 Basking- in sunshine till daylight is dying. 

 And resting all night on Asclepie's breast; 

 Joyously dancing. 

 Merrily prancing, 

 "Chasing his lady love high in the air, 

 Fluttering gaily. 

 Frolicking daily. 

 Free from anxiety, sorrow or care!" 



The Red Milkweed Beetle (Tctraopcs tctra opfhahinis, Forst). 



This long-horned, bright red beetle is common on milkweed 

 from June to August. The larvae are said to bore in the roots 

 and lower i)art of the stem, but as yet have not been located. 



CRDl'XD CICKRRV (Fhysalis Sp.j Insects. 



The Three-Lined Leaf Beetle ( Loiia friliiicala. Oh\.). 



This species is at times a pest of the potato and is related to 

 the Colorado potato beetle. The beetles were found on the ground 

 cherrv during June, ovipositing their brownish yellow eggs on 

 the under surface of the leaves. One larva pupated on July 8, 



