Show I J CERTAIN INSECTS 1 THAT ARE USEfUL Those That Prey on Harmful Kinds and Those That Fertilize F Flowers Howers STRANGE AND WONDERFUL WONDERFUL Are Arc 10 the Ways n a of tile HIP Inject In on Which We c As P Allies lles Or ilS Pro Prof Titus continued his lecturer lecture the thu Ihl nature study classes at tho lie on Monday 1 The Thc exposition llon dealt largely with those thoRe Insects that are nrc of JC u e t to nan man either ns as hi his hk nl al lUs 18 In fighting tho the other Insect hords or 01 ns its n his hil servants In Tho lecture was substantially as ns fol follows lows how The ho lowest Insect among thin tho Vir 11 hi are aro tho the group which arc plant feeders They ThC arc divided Into two 10 classes cla r the tho bor borInI boring ing InI ana nna an the tho saving kinds They Tho all nil have sessile abdomens closely Joined to the lie body TillO SAW SA FLIES The Tie Include Inello among others other tho tile willow tho tIle rose Iu the tho J lr I and the tho currant slug BUS Till Tho it of the slugs which arc aro sonic some somewhat 01 what common resemble snails The Tho eggs eggl of ot tho pear p ar slug shag are arc laid lahl nil all ni oer 0 tho the leaves and hatch In Ill about ID if days ta s Tho The larva Inna eatS cat call only tho ho side of ot the tho leaves heaves love When Whon rn m ma malure lure turo the tho slugs drop to the HID ground anti spin stith 1111 a n cocoon The lle pear slug feeds feds on 01 pear peal anti and cherry leaves The Tho best remedy Is III to use Itse whit on yard and anti house plants and a Rood good oDd Paris green spray slimy on trees Tho constitute one class ot of lawnEs galls always have hoo an In usually usual on the lie under stile side sll of oC tho lie leaf lent or op stem mcm Jn iut JI nil all IIlo o of tho the group Kroup tt of the tho abdomen Is direct directly ly 1 joined to 10 the thorax thora thora and ant Is said auld saido to 10 o b 11 ho broadly sessile losse tho the bees All AU Al other wasps and Ichneumon flies Hies have haI abdomens that Is these those In have hlo slender waists THE TuE ICHNEUMON FLIES FIS The Ichneumon files flics are all nI para that Is they live hive IhO on iii 01 or In other insects Injects In They hoy are aro decidedly beneficial I IOno One Ono of ot them lie tho ensign fly lly so 10 called calell front from tro its lIs elevated abdomen feeds on en reaches Another group the many of which feed on Oil 01 aphides a ti I plant lice are lre usually small and in the case ot those feed feedIng t Ing log ra I on en n caterpillars a largo large Ingo number may unity hatch in the tho body hod of one worm There are over 1000 genera In tilts this group of or Ichneumons They rhoy hey feed fell on almost every other kind kin of ot Insect Their common characteristic In Is II an abdomen flattened vertically usually elongated l FIG FI INDUSTRY DEPENDENT I The Tho are very ver small and ad near nour nearly ly h all alt have a metallic luster lustor They TO are arc 01 not all al parasitic the tho he of ono one group feeding in the Joints of ot grasses grasseR and grains and known as 1 Joint worms Another group are aro called fig Insects On the Ih latter later tho the fig Industry is wholly dependent They live on oil tho the inside of ot tho the fig Ig They look oak like bike Iko small smal billy bl goats gent Just 1 My to Jump Without these thle Insects ilio ho figs cannot be fertil fertilized and figs Igl first planted In Califor California ala nia failed to 10 mature until tho the fig in insects Insects sects had been Imported from Greece to fertilize tho the blossoms bloss ms These In Insects Insect insects sects sect carry tho the pollen lolen from the tho male maleto to tho ho female flowers which are ar on oIl different diff t trees treesA A NEW MARVEL From an ordinary cutworm wo we may amy secure 2000 little Ito flies which have havo halo developed from a n sin sill single sInI gle fes I egg laid inside the tho egg from rein which the tho cutworm had load developed Tho The cutworm egg ogg is laid by a moth motil on the alfalfa or other plants The Tho 10 para pama parasite pa site altO lays an In egg within the tho egg of at tho tile future cutworm ef the tle latter hatches haches out with the egg still il In Its body b This wih egg segments ogg or Or divides In ill chain chal chainlike like series serle after tho tim cutworm cu begins to Ik feed until there thero are arc thousands ot or thelo larvae lunae about bout half of ot which after devouring the lie cutworm pupate In Inside inside side aide tho the empty skin and into minute winged Insects tho flies ties Time The gull gall tiles flies or more properly the tho foI since not more than a n third ot o them hem are arc gall gail cal tiles files ore are ae divided Into three groups 1 I parasites or guests hiving In other Insects homos homes but not 1101 harming tho the other othor insects The gull gall flies files ore mire m commonly found on oaks oaka mind find Tile The he galls of or these those In Insects sects beets are aro always closed galls gaits the tho only openings being where tho the adult dult I Dually cuts Its way wily out CUt The next group the tho In Include elude clude ro tho tile egg parasites They are aro the thu smallest of Insects most of ot them theta only from five to six alx thousandths of ot on nn lu Inch IlICh long Ilc They Tile ore are ae tho thu most valuable oC of oCal all Insects because they Are lra upon al tho eggs of ot various other Insects They rhey ln pass their larl life lite within tho In egg of tho ho host TIm Tills Tho rho next four t ur groups tho the or are arc the stinging torn teru 11 I f The file 11 groups are otie time the ants thu hui th and the tho wasps WISpS time tho caterpIllar Id beoH lue All Al thou thi ran can sting eln ex ox excepting some somo of oC lie tho hl ant 1111 The ho aut autH are aro II called Thero lire tastes caStes In Its II the tho tint nt com con community males e and ald workers a t fourth caste tho time sol soi dicta Some Somo havo loito RUI other castes miner etc ol Ants are the Iho best LeRL of if communistic work el 01 I to tt be lie found anywhere INTI LOCAL WASPS of ot tho tue mon more Interesting of tho lie oral horni wimps wasps are aro tho the These Them J clay Jugs hogs under or stonO or no on nn the hue of ot sagebrush They rhoy store tolO food tood In II this jug jUi then than lay an In egg Ogg eggin In n It I seal It up uti w Ito I that tho larvae InIna of at food have havo a 1 In lot II the tie same name group conic come tho tue social 1 KP pR include th tho pap r mak makr ors r which malto tho the from Irom wood wod ma lund time the hanging wa wap p and auth lornit nests In trees treos und end on oil 01 riK ni fi buhl huhl faced aced ff d hornet the Iho yellow adept are arc among then them Only the tue to Jo unities over winter the tito ii d Hi I ii In 11 the tho fall tahi flu It velvet lints are IllO a B class chas of hairy atud I rhoy 11 I running on Oil limo tho ground Hily onh iy the tho maloa ml loa eon can Ill lly IY Tho Thu larvae lalo of ot thu th h cuckoo bees en ilvo In tile the homes of thIef insects I tJ up tip I time Iho lie food fool in ini 11 i tided for Cor thou tho larvae or of tho tin host Include that thaI ioe tolO caterpillars eai In III tow for forIn rort t In ii food nf of o the tho larvae of ot the tho wasps WISpS Urn fin at ot f time the principal WP vp WI liv I 1 iI carrieS carrie them off duff If lo los Ii Ie I u s irro rw to tl provi fl its Ite Ie with wih I oil The Tho ln BO so 11 stored Mored are usually iii Zil by Iy stinging and nud not killed T ti l wasps wasp WISpS ItO their litt a s wil Uio thu mie t i s stOre loro l ro tho cells caBs in li their uc With wilI AND ANI mm rue rh itte otte tilt the highest family of ot Inserts the boes lous at I the tho head of the tho list 1 t A hive a I queen workers and drones Th Jima rho queen boo bee Io 1011 cell to tt coll cel laying lalli eggs Sue She lays luus a II female egg In ilu II it IL II cell and a tL drone egg e in Ill ina 11 a It drone aroll cell Cel ate fed on l tho ho camo ILm food for three 1115 I then ft it 1 queen huten Is chosen closen and her food differs thereafter from tl that or of tho the worker Time The boo b I stings 1111 only a a t rival queen Sue She he will 11 not sting el ell ehe o Life Lie of lt tile the lire Bee Is III worth In Iii till tho O the queens auto hut lout tho the males tile din In autumn They Tey are very 13 useful In II pollinating tho cloy clovers dol ers orR Among all ni h only tho thin over ever fUI stIng the tile ore ure ira I 8 A tim tho solitary hoes bees sumo live Iho In cities but bul an 11 In iii 11 j 11 Urs each pah hay hav having ha haIn lag ing In n a homo home of cut f their own 0 Others live livo a ort Ot of o t lire lite each cach pair 1111 having A t coil coll L I apart nl art from tho tIme neighborhood of ot others There few of ot bees that O a reI groups grotis IP live in iii 11 the tho nosta of ot other lx 1118 bs cs eatIng tile the stored food fo before be Core the host larvae hutches |