Determinations and Records of Insects. 291 



of which the first example matured late in November; but 

 further, the closest attention failed of detecting any male ex- 

 amples. 



Agricultural Experiment Station, Baton Rouge, La. 



DETERMINATIONS AND RECORDS OF INSECTS 

 COLLECTED AT PLANO, TEX. 



By E. S. TicKKR. 



DURING the time extending from the first week in May to 

 the end of December, 1907, which the writer spent in an 

 investigation at study of the green bug (Toxoptera graminum 

 Rond.) at Piano, Collin county, Texas, a fairly representative 

 collection of insects was personally made in the locality. Al- 

 though circumstances have since caused much unavoidable 

 delay in the work of determining the species taken, yet the 

 results of study of a considerable number of the specimens 

 have been published from year to year. Some examples still 

 remain unidentified, but as the names of most species obtained 

 in the collection are now known, the further determinations 

 and records can be presented herewith. 



This paper is the sixth one treating of the collection, and 

 the papers all together give a nearly complete report.^ 



In the present lists, the number of forms reported is 416, 

 belonging in the diflferent orders, as follows : 



Dipteia 184 Hemiptera 155 



Siphoiiaptera 1 Thyscncptera 1 



Hymcnoptera 73 Corrodentia 1 



Chilopoda (Myriapoda) 1 



Adding the 398 forms, as have been previously reported, to 

 the number now cited makes a grand total of 814 species and 

 varieties. 



As many as sixteen new species and one new subspecies 

 have been named from examples studied by myself or sub- 



1. (a) Iiiridental Captures of Xpuropterous Insects at Piano, Texas. (Psyche, v. 15. Oct., 



1908, pp. 97-100.) Number of forms cited, 34. 

 (h) Incidental Captures of Lepidqjitera at Piano, Te.x. (Psyche, v. 16, June, 1909, pp. 



.58-64.) Number of forms cited, 130. 

 (r) Incidental Cai)turcs of .Apterous and Orthopterous Insects at Piano, Tex. (Ent. 



News, V. 20, .Tuly, 1909. pp. 294-297.) [For "Plana," in heading, read 



"Piano."] Number of forms cited, 40. 

 (rf) Incidental Captures of Cleoptera at Piano, Tex. Can. Ent., v. 42, July, 1910, pp. 



229-237.) Number of forms cited, 178. 

 (e) Local Records of .\rachnids Personnllv Collected in Kansas and Texas. (Trans. 



Kan. .\cad. !^ci.. v. 2.{ 24. 1011, p. 240 and 241.) Number of forms cited'for 



Piano, Tex., 16. 



