236 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 9 



sepia; head and thorax dark red, front and mesothorax black; antenna; black, with 

 long black hairs; third joint with three nodes; legs black; abdomen almost as broad 

 as long, red, strongly puffused with blackish dorsally, with ten red fleshy processes, 

 successively longer, each with long black hairs at end ; the last processes are scarcely 

 over one mm. long. 



Hob. — P. Princesa, Palawan. The terminal caudal processes are much longer 

 than in D. maskelli (Ckll.), but not so long as in D. burnieisteri (Westw.). Struc- 

 turally, the species is like D. leachii (Westw.), but that is much larger. The male 

 monophlebids now known from the Philippines may be tabulated thus : 



Costal region broadly brilliant red; abdomen with six processes 



L. sanguinea Ckll. 



Costal region not red 1 



1. Abdomen with six processes L. benguetensis Ckll. 



Abdomen with eight processes L. luzonica CkU. 



Abdomen with ten processes D. palavanica Ckll. 



In addition to these, I have specimens with eight abdominal processes, which are 

 red, not plumbeous or blackish as in L. luzonica, from ISIt. Makiling (Luzon.) . Batuan 

 (Mindanas), and Cuernos Mts. (Xegros). These differ slightly from each other, 

 and probably represent new species, but it is desirable to learn more about them. 

 From Baguio (Benguat) comes a male Icerya; easily known from all the above by 

 its small size (wings less than 3 mm. long), abdomen with long bristles, but without 

 long fleshy processes. Icerya Candida Ckll. and /. seychellarum (Westw.) are known 

 from the PhiUppines in the female sex. 



Three Important Insect Pests have appeared in Minnesota diuing the past 

 season, two for the first time. The Hessian fly {Mayetiola destructor) was reported 

 in the autumn of 1914 near Minneapohs. Prompt measm-es were taken for the sup- 

 pression of this small outbreak, but a few "flaxseeds" were found this time near the 

 University Farm in October, 1915. The last appearance of this insect in Minnesota 

 was in 1903. 



The Western corn root-worm {Diabrotica longicornis) has been reported in Min- 

 nesota for the first time during the past summer, appearing in several widely separated 

 localities in the southern quarter of the state. 



The corn root-louse {Aphis maidi-radids) has also never been mentioned in any of 

 the entomological reports of Minnesota. Last summer it,caused extensive loss to 

 corn in three widely separated locaUties in southern and south-western Minnesota. 



C. W. How.uiD, 



November 29, 1915. . University Farm, St. Patd, Minn. 



Labeling Parasite Material. Mr. Harry S. Smith, of Sacramento, Cal., noting my 

 suggestion in the last Monthly Letter of the Bureau of Entomology in regard to 

 labeling of parasites, suggests that where one is not absolutely certain of the host 

 the label should be quaUfied in some way. He has adopted the plan of using the 

 word "material." For example, if he has a box of scale insects of a certain species 

 and rears parasites from it, he labels the parasites, say, "From Saissetia olece material." 

 There are so many times a few individuals of some other species present but not 

 visible that this is frequently a cause of erroneous records, and such a label as sug- 

 gested immediately puts the parasitologist on his guard. 



L. O. H. 



