4 Insecta, 
XL Insecta. 
[ 1921 ] 
I.— TITLES. 
1. — Achard, J. Revision du genre 
Doryphora 111. ( Megistomela Chap.). 
Ann. Soc. ent. Belgique Bruxelles 61 
1921 pp. 195-201. [ Coleoptera.] 
2. — Achard, J. Une nouvelle esp&ce 
du genre Ascapliium Lewis. Bull. Soc. 
ent. France Paris 1921 p 93. [ Coleo - 
ptera .] 
3. — Achard, J. Descriptions 
d’esp^ces nouvelles de Trichochrysea. 
Bull. Soc. ent. France Paris 1921 
pp. 171 & 172. [ Coleoptera .] 
4. — Ackermann, D. Dber die 
Extraktstoffe von Melolonlha vulgaris. 
Zs. Biol. Miinchen 71 1920 pp. 193-202. 
[Colcojttera.] 
5. — Acqua, C. Ricerche sperimentali 
sui processi digestion della larva del 
lilugello. Boll. Lab. Portici Portici 11 
1921 pp. 3-44 pis. i & ii. [ Lepido - 
ptera.] 
6. — Acqua, C. La fototassi del 
filugello. Boll. Lab. Portici Portici 11 
1921 pp. 45-84 pis. iii & iv. [ Lepido - 
ptera.] 
7. — Adair, E. W. The Moults of 
Empusa egena, by Dr. E. Bugnion. 
[Translation with additional figures.] 
Bui. Soc. Ent. Egypte Cairo 1920 
1921 pp. 56-100. [ Orthoptera .] 
8. — Adolph, E. F. Egg-laying re- 
actions in the Pomace-fly, Drosophila. 
J. Exp. Zool. Philadelpliia 31 1920 
pp. 327-341. [ Diptera .] 
9. — Ahlberg, O. Zur Identitatsfrage 
von Trichothrips pini Halid. Ent. 
Tidskr. Uppsala 42 1921 pp. 107-111 
3 text-figs. [ Thysanoptera.] 
10. — Aichele, F. Biologisches fiber 
einige seltene Micro. Soc. Entomol. 
Stuttgart 36 1921 p. 48. [ Lepidoptera .] 
11. — Aiyar, T. V. R. An undescribed 
natural enemy of the Castor Semilooper 
{ Ackoea ( Ophiusa ) melicerte, Hmp.). 
J. Bombay Nat. Hist. Soc. 28 1921 
pp. 298-300 pi. [Lepidoptera.] 
12. — Alboth, J. Die II. Generation 
von Papilio podalirius Linne. Int. 
ent. Zs. Guben 15 1921 pp. 142-143. 
[Lepidoptera.] 
13. — Albrecht, H. F. Neptis aceris 
v Oech&ch. Oasopis Praze 16 1919 
pp. 26-27. [ Lepidoptera .] 
14. — Aldrich, J. M. Coloradia pan- 
dora Blake, a moth of which the cater- 
pillar is used as food by the Mono 
Lake Indians. Ann. Ent. Soc. Amer. 
Columbus Ohio 14 1921 pp. 36-38. 
[Lepidoptera.] 
15. — Aldrich, J. M. The Muscoid 
genera Pseudeuantha and Uramyia 
(Diptera). lnsecutor Ins. Menstr. 
Washington 9 1921 pp. 83-92. 
16. — Aldrich, J. M. The Anthomyiid 
genus Atheric/ona in America (Diptera). 
lnsecutor Ins. Menstr. Washington 9 
1921 pp. 93-98 lig. 
Aldrich, J. M. v. van Duzee, Cole and 
Aldrich. 
17. — Alexander, W. B. List of 
Orthopterous Insects recorded from 
Western Australia. J. R. Soc. W. 
Australia Perth 2 1917 (97-103). 
18. — Alexander, C. P. Diptera 
Tipulidae from Juan Fernandez. The 
natural history of Juan Fernandez 
and Easter Island, ed. by C. Skottsberg 
3 pt. 1 1921 pp. 25-27 Uppsala. 
19. — Alexander, C. P. Two un- 
described species of Japanese Ptyeho- 
pteridae (Diptera). lnsecutor Ins. 
Menstr. Washington 9 1921 pp. 80-83. 
20. — Alexander, C. P. Undescribed 
species of Japanese Crane-flies (Tipu- 
lidae, Diptera) Part II. Ann. Ent. Soc. 
Amer. Columbus Ohio 14 1921 pp. 111- 
134. 
21. — Alexander, C. P. New species 
of Japanese Crane-flies. Part II. 
(Diptera, Tipulidae). lnsecutor Ins. 
Menstr. Washington 9 1921 pp. 179- 
186. 
