ENTOMOLOGIST AND BOTANIST. 



295 



Its name is lulus, and from its form and hard- 

 ness it is known in some sections of our country 

 as the " wire-worm.'' The true " wire-worms," 

 baptized long before, however, arc the larv» of 

 the Snapping-beetles, or Elatcrs. This lulrc^ 

 will preserve well in alcoliol. 



INSECTS INJURIOUS TO THE GRAPE-VINE.-No. 



The Spotted reliilnota. 

 (Pel 111 rota punctata, Linii'cus ) 



t 1 1 -( )gli 



J his 1.S the laigest and most conspicuous 

 beetle that attacks the foliage of the Grape-vine, 

 and in the beetle state it seems to subsist entirely 

 oil the leaves of this plant, and of the closely 

 allied Virginia Creeper. Though some years it 

 becomes so abundant as to badly riddle the 

 foliage of our vineyards, yet such instances are 

 exceptional; and it usually occurs in such small 

 numbers, and is so large and clumsy, that it can 

 not be considered a very redoubtable enemy. 



Its larva has, for a number of years, been 

 known to feed on the decaying roots of different 

 trees, but has never, so far as we are aware, 

 been described, for which reason we append 

 below a description of it. It is a large clumsy 

 grub (Fig. 1S5, a) beai'ing a close resemblunce 

 to the common White Grub of our meadows, 

 and differs from that species principally In being 

 less wrinkled, and in having the chitinous cover- 

 ing (or skin, so-called) more polished and of a 

 purer white color, and in the distinct heart-shaped 

 swelling above the anus (Fig. 18.5, d). Towards 

 the latter part of June we have fonnd this larva 

 in abundance, in company with the pupa (Fig. 

 \K>, 6), in rotten stumps and roots of the Pear. 

 In preparing for the pupa state, the larva forms 

 a rather unsubstantial cocoon of its own excre- 

 ment, mixed with the surrounding wood. The 



pupa state lasts but from eight to ten days, and 

 the beetle (Fig. 185, c) is fi3und on our vines dur- 

 ii^Che montl^s of -July, August and September. 

 Ttis nfotf yet known how long a time is required 

 . fSr Xha development of the larva, but from 

 analogy we may infer that the insect lives in 

 that state upwards of three years. 



This beetle was named about a century ago 

 by Linnaius, who met with a specimen in the 

 magnificent collection of shells and insects be- 

 longing to Queen Louise Ulrica of Sweden. It 

 occurs throughout the States and Upper Canada, 

 aud is even met with in the West Indies. It 

 flies aud feeds by day. The wing-covers are of 

 a slightly metallic clay-yellow color, with three 

 distinct black spots on each, and the wings 

 themselves are dark-brown inclining to black ; 

 the thorax is usually a little darker than the 

 wing-covers, with one spot each side ; the abdo- 

 men beneath, and legs, are of a bronzed-green. 

 It is easil\ kept in check b^- hand-picking. 



I'lLii.N.iiA iiNiiATA, Lititl — LarM (Fig. isr), a) — 

 !,■ iiuili .' im In -: rliiiii-\ . moving on the side. Head, bright 

 till -iiiur-iui.\\ II, - III. ifuuKU-d, M'ith a shoi't, impressed, 



l..ii-iiiiiliii:il liihr.i, III,. I,,],, ;iiid thi-ff .sh.illow impressions 



smaller from 



B^ We learn that the Chinch Bug did much 

 dam.age in some parts of Illinois and Wisconsin 

 during the diy weather. 



EF° Upwards of 1,200 lbs. of Paris green have 

 lieen sold at LaCrosse this season for the destruc- 

 tion of jiotato bugs. 



