622 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
albifrons, Chelostoma, 574. Amegilla, 528, 524. 
Monumetha, 574. American flies of the family Trype- 
albilabris, Hylaeus, 536, 539. - tidae, notes on, 1. 
albitarsis, Megachile, 522. americana, Antilocapra, 497. 
Polyglossa, 589. Nomada, 578. 
albiventris, Osmia, 564. Persea, 179. 
albocuneata, Huryglossa, 593. Tanupolama, 516. 
albopictus, Isepeolus, 561. americanorum, Ptilotopus, 595. 
albopilosus, Andrena ?, 599. amethystina, Apis, 577. 
Panurginus, 599. Ammobates, 524, 582. 
alboplagiatus, Luperodes, 58. bicolor, 524, 525. 
albopunctata, Apis, 525. (Caesarea) depressa, 582. 
albosparsa, Granida, 172, 175. dichroa, 574, 580. 
albotibalis, Brachymeria, 42. rufiventris, 524. 
albovittata, Perdita, 586. Ammobatoides, 525, 582, 587. 
Alcidamea, 5238. Ammotrypane, 128. 
producta, 523. aulogaster, 101, 128, 130 (fig.). 
Alestes, 315. fimbriata, 101, 128. 
longipinnis, 312, 315. limacina, 130. 
(Brachyalestes) longipinnis, 315. | ampelas, Ficus, 45. 
macrolepidotus, 316. Amphilius, 332. 
(Brycinus) macrolepidotus, 316. pictus, 328, 332. 
nurse, 312, 316. Anabas, 345. 
rutilus, 312, 316. kingsleyae, 345. 
alfaroi, Gerrhonotus, 364. Anabatidae, 345. 
Alfkenella, 528, 524. Anabernicula minuscula, 479. 
alfkeni, Anthrenoides, 527. anabrivorus, Ooencyrtus, 49. 
Allodapa, 523. Anabrus simplex, 51. 
Allodape, 528. Anacampsis populella, 267. 
candida, 566. Anaitides, 109, 110. 
rufogastra, 528. benedeni, 110. 
variegata, 523. catenula, 102, 105 (fig.), 109. 
Allodapula, 523. analis, Macrocera, 566. 
Alloperdita, 528. analis, Tetralonia, 566. 
Allopsithyrus, 523. Anancus bensonensis, 493. 
Alloscirtetica, 523, 558, 576, 598. Ancaeus, 85, 88. 
Aliotheronia, 288. exiguus, 90. 
12-guttata, 288. megacephalus, 88, 90. 
Alloxylocopa, 523. nitidissimus, 90. 
alni, Pityophthorus, 209. politus, 90. 
Alnus sp., 210. prolixus, 90. 
Alphaneura, 523, 527. anceps, Pityophthorus, 205. 
rufescens, 523. Ancyla, 525, 588. 
Alpigenobombus, 524, 539, 553, 567, 597. oraniensis, 525, 588. 
(Coccineobombus) coccineus, 539. | Ancylandrena, 525. 
(Fraternobombus) fraternus, 553. | Ancylonycha, 157, 159, 164, 172. 
(Funebribombus) funebris, 558. diomphalia, 178, 174. 
robustus, 597. mindanaoana, 165, 173, 175. 
alpigenus, Bombus, 524. morosa, 178, 174. 
Alpinobombus, 524. titanis, 173, 175. 
alpinum, Anthidium, 5983. Ancylosceles ursinus, 525. 
alpinus, Apis, 524. Ancyloscelis, 525, 603. 
Bremus, 524. armatus, 546. 
altipinnis, Eutropius, 331. Ancyloscelus, 525. 
amabilis, Ceratina, 538. Andineta, 525. 
Amalthea, 524, 606. andium, Cordillerion, 493. 
amalthea, Apis, 524, 606. Andrena, 519, 522, 525, 527, 534, 537, 
Trigona, 45. 588, 540, 543, 549, 555, 559, 563, 
Amaurocosmia, 524. 564, 568, 569, 578, 588, 589, 595, 
amazonicus, Neodryocoetes, 181. 598, 599, 602, 606, 608. 
ambigua, Spilogale, 502, 503. albopilosus, 599. 
Squilla, 56. aulica, 598. 
ambiguus, Epeoloides, 548. australis, 572. 
Amblyapis, 524. bicolor, 549. 
Amblys, 524, 536, 580, 581. bradleyi, 540. 
Amegachile, 524. chalybeata, 562. 
