12 



Media. Antennre simplices. Corpus flavescens. A]?r flavescentes macula media, 

 obscuriore, postice striga obsoleta punctis niinutissimis f uscis notata. Margo i^osticus 

 fuscescens. Posticse flavescentes margine postico, f usco. « 



VARIETIES. 



Two varieties and a subvariety of the bollworm moth have been des- 

 ignated from the United States; one variety from Hawaii, one from 

 Europe, and one from Australia, with two subvarieties. With the 

 forms occurring in the United States, at least, there is almost every 

 intergradation in color and markings, and it is doubtful if these may be 

 referred to in a more definite way than as the more abundant types. 

 In a collection of 65 moths, bred during the present investigation from 

 larvae taken on corn, cotton, and other plants in Texas, 35 may be 

 classed as variet}^ ochracea^ with some of them approaching y^^ca, and 

 30 as variety wnhrosa. The forms which have thus far been indi- 

 cated are given in the table below, with their essential points of dif- 

 ference, as taken from the British Museum Catalogue (1. c), and 

 Tutt's British Noctuse and Their Varieties.* 



Heliothis obsoleta Fab. 

 Table of varieties and subvarieties. 



(1) ochracea Ckll. Ordinary tawny colored form figured in Fourth Rept. U. S. Ent. 



Comm., 1885, pi. 3, fig. 7. 

 (2) /w.sra Ckll. Dark brown (European). 



(3) umbrosa Grote. Usually rather large, paler, and more olivaceous than the Euro- 



pean type (Southern United States es])ecially), the larva, the common boll- 

 worm. 

 (a) sub-var. eumaculata CkW. Stigmata margined with ferruginous (Colorado). 



(4) hawaiiensis, n. var. Fore-wing with prominent angled dark brow^n median band, 



diffused on outer side ( Hawaii ) . 



(5) rubescens, hind-wings with the ground color orange yellow (Australia). 



(a) Head, thorax, and fore-wdng suffused with rufous. 

 (6) Head, thorax, and fore- wing suffused with dark pink. 



COMMON NAMES. 



Owing to the fact that the bollworm attacks a great variety of plants, 

 and to the further fact that it occurs in most parts of the civilized world, 

 it has become known under numerous common names. 



In the United States it is ver}^ generally known under the name of 

 bollworm or corn-ear worm. In the States of the cotton belt the 

 former name is very generally used in referring to this species, or it is 



«A bombyx, with wings deflexed and yellowish; with a middle spot and posterior 

 obsolete streak, rather obscure. Habitat, islands of South America [West Indies?]. 

 Collector, Father Smith. Of jnedium size. The antemue simple. The body yellow- 

 ish, with wings yellowish, with a more obscure middle spot. Posteriorly with an 

 obsolete streak which is spotted with very small jiunctures. Hind margins brownish. 

 Hind wings yellowish, with posterior margin fuscous [smoky?]. — e. a. s. 



& British Noctuse and Their Varieties, III, p. 128, 1892. 



