3r)4 l'l:ni EEDISdS nl TIIK SATKtyiL MrsEfM. vol-xx. 



Protrssor LawnMH-t* Brniier jjiws the tollowing excellent suiimiary ot 

 its destriictivt'iu'ss ami lia])its: 



ThiH insect Icih very liei|iiciitly imiltiplieil in mhIj tinnib«Ts In liiiiit»*«l jiH'U'* over 

 its r;tny»' .'Im t<> do runsider.ilth' injury to tiiltivateW riiij)> i;r.>\vin<;; upon low, nioi-.t 

 ;^roun«l ; .ind li;i« t-ven l»c«*n known \*'Ty IreijUt-nf ly to >iir»>;nl ovt-r Imj^Imm auil «lry«T 

 l;m<ls iiiljoininu tliese, itn i-UHtoniary liiitintH. It is one of tli«; fi'W sjuM-ies of lornnts 

 that liiiM tlniH far >hown a tfU«l«'nry toward civili/ation. This It has done rradily. 

 »int-e Its habitH are in uniNon witli th«' cultivation of tiic soil. It is iMxXy sinct* the 

 Bcttlciiient of the couutry w here it oriiiiiially occnircd tliat it has niultiplifd so as 

 to heconie siitticieiitly niinuroiis to lircuine a serious pest. . . . 



The v\x,)i^ . . . are laid in cultivated grounds that are nH»re or less cnnipaet, jaef- 

 erahly old rtiads, deserted tielils, the edj;«'s of weed patches, ami well-<{razed pastures 

 adjoiiiiuj; weedy ravines. Ki;!j laym;; hegius aliout thf middle of Au<;ust and ••ou- 

 tiniies into October. varyin;f of cMursc. actordin<; to latitude and < liniatic conditions. 

 I'sually hut not always, only a single ••luster «tf t'ggs is deposited l»y each I'eniah'. 

 Freiiuentlv there are two, an«l in extreme cases perhaps even three, of the>e clustera 

 deposited by a sinyle feirale. 



121. MELANOPLUS ROBUSTUS. 



(Tlate \XIII. tijj. .3.) 



Citlopteiiux rolnisliia Si ui)l*i;i:!, I'roc. Host. Soc. Nat. Hist.. XVII ris","). p. 47.3: 



I.nt. Notes, IV (IS".')), p. ~2. — TinorAS. K'ep. 1'. .">. Knt. Conun.. I (isT.^). 



p. 41'.— Set di»kr:. Cent. orth. (1X7!»>. p. 17.— b'li.KY, Am. Kut., Ill (18?«»), 



p. 22<». — HlMXKP, liep. r. .s. Knt. (•omm.,III (iXKi). p. 60, 

 CaJoitini US 2>oiiilen»iiis f^<il>HKn, I'roc. liost. S«»c. N'at. Hist., XVII (■l>'7.">), p. 17;^; 



Knt. N<»tes, I\' (1S7.'»'. ]». 72.— Tho.m.xs, IJep. V. S. Knt. Comm.. I (1H7S), 



p. 42.— S( li>I)i:h, Cent. Orth. (1»79), p. 17.— Hui xek, Kep. U. S. Kut. (.'omm., 



Ill (18S.3), p. m. 

 reznteltix rohiiHtiis St.\l, Hih. K. .Sv. Vet.-Akad. Haudl., V. No. }» (1878). p. 14. 

 Mtlunojtliis robiistuH .ScI'DPKH. Cent. Orth. (lM7Hi. p. 84. — Hi:i nki:. linll. Div. 



Knt. r. 8. Dep. A-jri*-.. XXVIl (181»2). p. 3A: ibid., XXVllI ( 18H3). pp. 17-ll». 



fijjs. «5. 7; Kep. Nebr. St. lid^ Agric. 18l>8 (1893), p. 4t)0. 

 JHflunopliiH jioiuhroaitx ScrDl»ER, Cent. Orth. (1879), p. H4. — BufXER, Can. Knt.. 



XXIII n891), p. 193: lus. Life. IV (1891), p. 22: Rep. Kut. Soc. Out., XXII 



(1S91), p. 48. 



Vaiyiij^' from brownish testaceous to browiiisii fuscous, with more or 

 less of a cineiious tint; front of head and sides of pronotuni a little 

 paler, tinoed with yellow, the head ob.scurely and more or less heavily 

 tlecked with brown : autennae yellow, infu.seated toward the tip. Inter- 

 space between the eyes much broader than (male) or twice as broad 

 as (fennile) the basal antemial Joint, tiie fastioium broad, broadening in 

 front, scarcely dejjressed except sometimes sliohtly in the narrowest 

 part, the lateral maroiiis sharp: frontal costa broad, broadening- below, 

 broadly and shallowly sulcate excepting above. Proiiotnm broadeninii 

 a little on the metazona, the median carina slight, broken by all the 

 sulci, distinct onhin front of and behind them: lateral carinae rather 

 ilistinct but slight and rounded. Slight black markings follow the 

 anterior portion of the lateral carinae and the transverse sulci of the 

 lateral lobes: occasionally these markings are more pronounced, and 

 then a slender blackish stripe passes from behind the eyes to the mct;i 

 zona, sometimes interrupted, sonu'times accompanied by an inluscatiMii 



