318 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 12 



Table I — Plants in Which Beet Leafhopper Deposited Eggs, in Cultivated 

 Area of San Joaquin Valley 



Date Date 



Name of plant LocaUty plants collected ^^^^^^ J^uH^^^ 



1918 1918 



Wire Grass Manteca, beet field July 11 Aug. 13 



(Polygonum aviculare) 



Curly Dock Connor, beet field July 18 Aug. 27 



(Rumex crispus) 6 miles southeast Manteca . . Sept. 6 Oct. 18 



Nitrophila occidentalism 10 miles north Goshen Jet. . . May 20 June 25 



Manteca, beet field July 11 Aug. 8 



Le Grand, beet field July 13 Aug. 26 



Lamb's Quarters^ Manteca, beet field Aug. 12 Oct. 3 



(Chenopodium album) 



Nettle Leaf Goosefoot^ Coalinga May 22 July 23 



(Chenopodium murale) Chowchilla July 14 Aug. 18 



Volta July 16 Aug. 15 



Connor, beet field July 18 Aug. 27 



Chenopodium leptophyllum^ . .Le Grand, beet field July 13 Aug. 17 



Manteca, beet field Aug. 12 Oct. 3 



5 miles southeast Manteca . . Sept. 6 Nov. 1 



Mexican Tea^ Manteca, beet field July 11 Aug. 15 



(Chenopodium ambrosioides) Manteca, beet field Aug. 12 Oct. 4 



Atriplex rosea^ Chowchilla May 21 Jilne 25 



3 miles south Manteca Sept. 16 Oct. 22 



Atriplex phyllostegia^ 12 miles west Wasco May 19 July 8 



2 miles south Angiola May 20 June 27 



4 miles west Corcoran May 20 June 27 



Chowchilla. beet field May 21 June 27 



Atriplex coronata^ 1 mile south Allensworth .... May 20 June 27 



Chowchilla July 14 Aug. 27 



Fog Weed! 4 miles west Corcoran May 20 June 27 



(Atriplex expansa) Manteca, beet field Sept. 5 Oct. 22 



Atriplex minuscula^ Earlimart July 17 Aug. 17 



Atriplex bracteosa^ Manteca, beet field July 11 Aug. 18 



11 miles east Los Banos July 14 Aug. 10 



Coalinga July 16 Aug. 13 



Manteca, beet field Sept. 5 Oct. 22 



Australian Salt Bush^ 2 miles west Wasco May 20 July 1 



(Atriplex semibaccata) 



Suaeda depre-ssa var. erecta^ . . .Manteca Sept. 5 Oct. 22 



Russian Thistle^ 6 miles west Corcoran May 20 June 26 



(Salsola kali var. tenuifolia) .Chowchilla July 14 Aug. 16 



Oro Loma July 15 Aug. 15 



Manteca, beet field Sept. 5 Oct. 22 



Rough Pigweed Manteca, beet field July 11 Aug. 15 



(Amaranthus retroflexus) 



Tumble Weed Le Grand, beet field July 13 Aug. 16 



(Amaranthus graecizans) 



Amaranthus deflexus Le Grand, beet field July 13 Aug. 26 



Manteca, beet field Sept. 5 Oct. 22 



Indian Chickweed Manteca, beet field Aug. 12 Oct. 3 



(Mollugo verticiUata) 



Lowland Purslane Connor May 19 June 26 



(Sesuvium sessile) Connor, beet field July 18 Aug. 27 



Red Maids Chowchilla, beet field May 21 June 25 



(Calandrinia caulescens 



var. menziesii) 



Charlock Manteca, beet field July 11 Aug. 16 



(Brassica arvensis) Manteca, beet field Aug. 12 Oct. 3 



5 miles southeast Manteca . . . Sept. 6 Oct. 23 



1 Plants of the Saltbush Family (Chenopodiacese), to which the sugar beets belongs. 



